Architecture
Results 2881 - 2920 of 3556
Architecture
Hardcover. Cities in Relations advances a novel way of thinking about urban transformation by focusing on transnational relations in the least developed countries. Series: Studies in Urban and Social Change. Num Pages: 230 pages, illustrations. BIC Classification: AMVD; JFSG; RPC. Category: (P) Professional & Vocational. Dimension: 229 x 162 x 16. Weight in Grams: 436.
- Format
- Hardback
- Publication date
- 2014
- Publisher
- John Wiley and Sons Ltd United States
- Number of pages
- 230
- Condition
- New
- Edition
- 1st Edition
- SKU
- V9781118632819
- ISBN
- 9781118632819
Hardback
Condition: New
€ 95.13
€ 95.13
Paperback. Cities in Relations advances a novel way of thinking about urban transformation by focusing on transnational relations in the least developed countries. Series: Studies in Urban and Social Change. Num Pages: 230 pages, black & white illustrations, black & white tables, maps, figures. BIC Classification: AMVD; JFSG; RPC. Category: (P) Professional & Vocational. Dimension: 180 x 226 x 12. Weight in Grams: 302.
- Format
- Paperback
- Publication date
- 2014
- Publisher
- John Wiley and Sons Ltd United States
- Edition
- 1st Edition
- Number of pages
- 224
- Condition
- New
- SKU
- V9781118632802
- ISBN
- 9781118632802
Paperback
Condition: New
€ 33.80
€ 33.80
Paperback. In an era of the globalization of finance, production and distribution networks, cities have become increasingly competitive. The business environments preferred by such international investment impact on the lives of citizens, on urban spaces, services, amenities and infrastructure. Editor(s): Douglas, Mike; Friedmann, John. Num Pages: 308 pages, maps. BIC Classification: AMVD; JFSG. Category: (P) Professional & Vocational; (UP) Postgraduate, Research & Scholarly; (UU) Undergraduate. Dimension: 245 x 171 x 17. Weight in Grams: 526.
- Format
- Paperback
- Publication date
- 1998
- Publisher
- John Wiley and Sons Ltd United Kingdom
- Edition
- 1st Edition
- Number of pages
- 308
- Condition
- New
- SKU
- V9780471977094
- ISBN
- 9780471977094
Paperback
Condition: New
€ 77.18
€ 77.18
Hardback. The paperback edition of the critically-acclaimed, pioneering book on successful urban recovery. Two urban experts draw on their firsthand observations of downtown change across the country to identify a flexible, effective approach to urban rejuvenation. Num Pages: 384 pages, 90 illustrations. BIC Classification: 1KBB; AMVD; GTF; JFSG. Category: (P) Professional & Vocational; (UP) Postgraduate, Research & Scholarly; (UU) Undergraduate. Dimension: 193 x 261 x 32. Weight in Grams: 902.
- Format
- Hardback
- Publication date
- 1998
- Publisher
- John Wiley and Sons Ltd United States
- Number of pages
- 384
- Condition
- New
- SKU
- V9780471144175
- ISBN
- 9780471144175
Hardback
Condition: New
€ 64.47
€ 64.47
Hardcover. Rob Krier, perhaps the only urban-planning artist among Germany's architects, has, for the first time in 30 years, completed a major urban project in his home country of Luxembourg. This title, is the first volume in sketchbook format of a series which document the design process from the first hand-drawn sketches, right through to realisation. Num Pages: 1136 pages, 1020 illus. BIC Classification: AMC. Category: (G) General (US: Trade). Dimension: 177 x 131 x 60. Weight in Grams: 1306.
- Format
- Hardback
- Publication date
- 2010
- Publisher
- Edition Axel Menges Germany
- Number of pages
- 1136
- Condition
- New
- SKU
- V9783936681376
- ISBN
- 9783936681376
Hardback
Condition: New
€ 80.57€ 61.33
€ 80.57
€ 61.33
Hardback. Num Pages: 448 pages. BIC Classification: AMN; HRCC2; HRCM. Category: (G) General (US: Trade). Dimension: 230 x 155 x 36. Weight in Grams: 748.
- Publisher
- Baylor University Press
- Format
- Hardback
- Publication date
- 2016
- Condition
- New
- SKU
- V9781481303835
- ISBN
- 9781481303835
Hardback
Condition: New
€ 73.01
€ 73.01
Hardcover. Num Pages: 128 pages, 100 colour photos. BIC Classification: 1KBBNT; AMN. Category: (G) General (US: Trade). Dimension: 237 x 215 x 16. Weight in Grams: 612.
- Format
- Hardback
- Publication date
- 2005
- Publisher
- Minnesota Historical Society Press,U.S. United States
- Edition
- First Edition
- Number of pages
- 128
- Condition
- New
- SKU
- V9780873515474
- ISBN
- 9780873515474
Hardback
Condition: New
€ 25.99€ 23.75
€ 25.99
€ 23.75
Paperback. A great number of monuments dating from the twelfth to the twentieth centuries can be seen in cathedrals and churches throughout England, and they make up a valuable part of the country's cultural heritage. This title includes numerous illustrations and a list of places where interesting examples can be found. Series: Shire Library. Num Pages: 32 pages, 55 illustrations. BIC Classification: AMN; HRC. Category: (G) General (US: Trade). Dimension: 150 x 146 x 3. Weight in Grams: 96.
- Publisher
- Shire Publications
- Number of pages
- 32
- Format
- Paperback
- Publication date
- 2010
- Edition
- Reprinted edition
- Condition
- New
- SKU
- 9780852637685
- ISBN
- 9780852637685
Paperback
Condition: New
€ 7.59
€ 7.59
Paperback. With the increasing disappearance of stained glass in medieval churches, the surviving wood carvings on church misericords and bench ends are extremely important in providing an insight into the medieval mind. This book outlines the history of church seating and discusses the craftsmen and the influences behind their work. Series: Shire Library. Num Pages: 48 pages, Illustrations (chiefly col.). BIC Classification: AFKC; AMN. Category: (G) General (US: Trade). Dimension: 210 x 150 x 5. Weight in Grams: 150.
- Publisher
- Shire Publications
- Number of pages
- 48
- Format
- Paperback
- Publication date
- 2009
- Condition
- New
- SKU
- V9780747807445
- ISBN
- 9780747807445
Paperback
Condition: New
€ 11.99€ 10.03
€ 11.99
€ 10.03
Illustrator(s): LouLou. Num Pages: 32 pages, 31 color illustrations. BIC Classification: AMB. Category: (G) General (US: Trade). Dimension: 287 x 225 x 11. Weight in Grams: 564.
- Publication date
- 2008
- Publisher
- Schiffer Publishing Ltd United States
- Number of pages
- 32
- Condition
- New
- SKU
- V9780764331695
- ISBN
- 9780764331695
Paperback
Condition: New
€ 19.99€ 14.66
€ 19.99
€ 14.66
Hardcover. The author has done on-site research at almost every site mentioned in the book. Many of the 476 illustrations are the author's own photographs. Many of the sites and structures discussed in this book were unknown 20 years ago; the majority has never been published in a Western language. Series: Spatial Habitus: Making & Meaning in Asia's Architecture. Num Pages: 560 pages, illustrations. BIC Classification: 1FPC; 3D; AMX. Category: (UP) Postgraduate, Research & Scholarly; (UU) Undergraduate. Dimension: 229 x 152 x 36. Weight in Grams: 1950.
- Format
- Hardback
- Publication date
- 2015
- Publisher
- University of Hawaii Press
- Condition
- New
- SKU
- V9780824838225
- ISBN
- 9780824838225
Hardback
Condition: New
€ 96.45
€ 96.45
Hardcover. Cities in China are extremely dynamic and experience high pressure to grow, transform and adapt. But in what directions, on what basis and to which goals? This book is based on the research the author and his team did of the intensive transformation processes of about hundred neighbourhood communities in Beijing, Shanghai, Shenzhen, and Suzhou. Num Pages: 200 pages, 100 black & white illustrations, 200 colour illustrations, 100 schw.-w. u. 200 farb. Abb. BIC Classification: 1FPC; AMVD. Category: (P) Professional & Vocational. Dimension: 228 x 289 x 19. Weight in Grams: 1182.
- Format
- Hardback
- Publication date
- 2016
- Publisher
- Birkhäuser
- Condition
- New
- SKU
- V9783035608335
- ISBN
- 9783035608335
Hardback
Condition: New
€ 82.87
€ 82.87
Hardback. Num Pages: 240 pages, 200 Chinese paintings, architectual plans, 3D drawings; garden designs. BIC Classification: 1FPC; ACBP; AMV; HBJF. Category: (G) General (US: Trade). Dimension: 241 x 308 x 25. Weight in Grams: 1560.
- Publisher
- Shanghai Press
- Format
- Hardback
- Publication date
- 2016
- Edition
- Hardcover with Jacket
- Condition
- New
- SKU
- V9781602200210
- ISBN
- 9781602200210
Hardback
Condition: New
€ 36.55
€ 36.55
Hardcover. Num Pages: 464 pages, illustrations. BIC Classification: 1D; 1FPC; 3JH; AMV; WMB. Category: (G) General (US: Trade); (UU) Undergraduate. Dimension: 302 x 238 x 42. Weight in Grams: 2336.
- Format
- Hardback
- Publication date
- 1990
- Publisher
- Dumbarton Oaks Research Library & Collection United States
- Number of pages
- 464
- Condition
- New
- SKU
- V9780884021902
- ISBN
- 9780884021902
Hardback
Condition: New
€ 166.39
€ 166.39
Paperback. Series: Shire Album S. Num Pages: 32 pages, Ill. BIC Classification: AMKD; HBTB; TNKH. Category: (G) General (US: Trade). Dimension: 205 x 139 x 4. Weight in Grams: 96.
- Publisher
- Shire Publications Ltd
- Number of pages
- 32
- Format
- Paperback
- Publication date
- 2008
- Condition
- New
- SKU
- 9780747805533
- ISBN
- 9780747805533
Paperback
Condition: New
€ 7.59
€ 7.59
Chile: Crypt and House: House at Punta Pite, 2003-06 by Smiljan Radic ...
Perez de Arce, Rodrigo, Radic, Smiljan
Paperback. Edited by Wilfried Wang, Kevin Alter. Text by Rodrigo Perez de Arce, Smiljan Radic. Num Pages: 128 pages, chiefly Illustrations (some col.). BIC Classification: AMB. Category: (G) General (US: Trade); (P) Professional & Vocational. Dimension: 213 x 293 x 9. Weight in Grams: 558.
- Format
- Paperback
- Publication date
- 2008
- Publisher
- Wasmuth
- Condition
- New
- SKU
- V9783803006851
- ISBN
- 9783803006851
Paperback
Condition: New
€ 42.16
€ 42.16
Paperback. The Chicago River divides America's Second City into the North and South Sides, and the bridges that span it are famous for their number and beauty. This book traces the evolution of them all, from the original rising bascules to the designed twentieth-century structures that lend Chicago much of the grandeur for which it is known world-wide. Series: Shire Library. Num Pages: 64 pages, col. Illustrations. BIC Classification: 1KBBNC; AMG; TNCJ. Category: (G) General (US: Trade). Dimension: 171 x 211 x 4. Weight in Grams: 146. New.
- Publisher
- Shire
- Number of pages
- 64
- Format
- Paperback
- Publication date
- 2012
- Edition
- 1st Edition
- Condition
- New
- SKU
- 9780747811039
- ISBN
- 9780747811039
Paperback
Condition: New
€ 8.89
€ 8.89
Paperback. Chicago - whose motto is "City in a Garden" - is at the forefront of a global movement to end the division between town and country. This book provides an illustrated guide to the city's stunning blend of nature and architecture. It reveals the connections woven through the fabric of the city. It includes maps, recommended tours and photos. Num Pages: 300 pages, 56 colour plates, 20 halftones, 20 maps. BIC Classification: 1KBBNC; AM. Category: (P) Professional & Vocational. Dimension: 158 x 197 x 22. Weight in Grams: 542.
- Format
- Paperback
- Publication date
- 2007
- Publisher
- The University of Chicago Press United States
- Edition
- New ed
- Number of pages
- 300
- Condition
- New
- SKU
- V9780226101408
- ISBN
- 9780226101408
Paperback
Condition: New
€ 32.29
€ 32.29
Paperback. Chicago is a city dedicated to the modern - from the skyscrapers that punctuate its skyline to the spirited style that inflects many of its dwellings and institutions. Staging the city as a laboratory for some of our most heralded cultural experiments, this work reimagines the modern as a space of self-realization and social progress. Editor(s): Jacob, Mary Jane; Baas, Jacquelynn. Num Pages: 304 pages, 72 colour plates, 36 halftones. BIC Classification: 1KBBNC; AM. Category: (UP) Postgraduate, Research & Scholarly. Dimension: 248 x 194 x 23. Weight in Grams: 1066.
- Format
- Paperback
- Publication date
- 2012
- Publisher
- The University of Chicago Press United States
- Number of pages
- 304
- Condition
- New
- SKU
- V9780226389561
- ISBN
- 9780226389561
Paperback
Condition: New
€ 58.61
€ 58.61
Hardback. A comprehensive guide to the buildings of Cheshire in their variety, from Pennine villages to coastal plains and seaside resorts. Series: Pevsner Architectural Guides: Buildings of England. Num Pages: 800 pages, 120 colour illustrations. BIC Classification: 1DBKENC; AMX. Category: (G) General (US: Trade). Dimension: 138 x 217 x 42. Weight in Grams: 860.
- Publisher
- Yale University Press United States
- Number of pages
- 800
- Format
- Hardback
- Publication date
- 2011
- Edition
- Revised ed.
- Condition
- New
- SKU
- V9780300170436
- ISBN
- 9780300170436
Hardback
Condition: New
€ 70.06€ 67.91
€ 70.06
€ 67.91
Paperback. Angelique Bamberg provides the first book-length study of the community of Chatham Village in Pittsburgh. She establishes its historical significance to urban planning and reveals the complex development process, social significance, and breakthrough construction and landscaping techniques that shaped this idyllic community. Num Pages: 232 pages, black & white illustrations, colour illustrations, black & white line drawings, maps, dia. BIC Classification: AMX; RPC. Category: (G) General (US: Trade). Dimension: 229 x 178 x 15. Weight in Grams: 476.
- Format
- Paperback
- Publication date
- 2014
- Publisher
- University of Pittsburgh Press
- Edition
- 1st Edition
- Condition
- New
- SKU
- V9780822962786
- ISBN
- 9780822962786
Paperback
Condition: New
€ 31.99€ 27.29
€ 31.99
€ 27.29
Num Pages: 272 pages, 174 b/w & color photos, 29 prints, 33 drawings. BIC Classification: 1KBB; AMX. Category: (G) General (US: Trade). Dimension: 310 x 231 x 31. Weight in Grams: 2156.
- Publication date
- 2013
- Publisher
- Schiffer Publishing Ltd United States
- Number of pages
- 272
- Condition
- New
- SKU
- V9780764344152
- ISBN
- 9780764344152
Paperback
Condition: New
€ 64.21€ 48.96
€ 64.21
€ 48.96
Paperback. Explores the magnificent structure of Chartres Cathedral, suggesting its origins lie in Islamic architecture. The study also explores how a particular building or space affects us spiritually. Num Pages: 112 pages, 30 colour photographs. BIC Classification: AMA; AMN; VX. Category: (G) General (US: Trade). Dimension: 234 x 154 x 8. Weight in Grams: 284.
- Publisher
- Floris Books
- Number of pages
- 112
- Format
- Paperback
- Publication date
- 2003
- Edition
- 1st Edition
- Condition
- New
- SKU
- V9780863153914
- ISBN
- 9780863153914
Paperback
Condition: New
€ 29.94
€ 29.94
Paperback. A colored window onto the lofty intellectual and spiritual climate that conceived the marvel that is Gothic architecture. It features a new appendix with three sections, a Foreword, and 25 fresh illustrations. Num Pages: 160 pages, black & white illustrations, colour illustrations. BIC Classification: AGR; AMN; HRC. Category: (G) General (US: Trade). Dimension: 301 x 212 x 14. Weight in Grams: 680.
- Format
- Paperback
- Publication date
- 2010
- Publisher
- World Wisdom Books United States
- Edition
- Rev ed
- Number of pages
- 160
- Condition
- New
- SKU
- V9781933316772
- ISBN
- 9781933316772
Paperback
Condition: New
€ 25.99€ 24.26
€ 25.99
€ 24.26
Hardback. Initial volume of a three-volume complete works monograph on Charlotte Perriand. Num Pages: 512 pages, 615 colour, 375 b&w. BIC Classification: AMB; AMR. Category: (G) General (US: Trade). Dimension: 307 x 240 x 42. Weight in Grams: 3220.
- Publisher
- Scheidegger und Spiess AG, Verlag Switzerland
- Number of pages
- 480
- Format
- Hardback
- Publication date
- 2017
- Condition
- New
- SKU
- V9783858817464
- ISBN
- 9783858817464
Hardback
Condition: New
€ 116.77€ 107.07
€ 116.77
€ 107.07
Hardback. Charles R. Cockerell (1788-1863) was one of the most significant nineteenth-century British architects and a major player in the cultural shift from the Georgian eighteenth to the Victorian nineteenth century. Num Pages: 322 pages, 20 black & white illustrations, 1 black & white line drawings. BIC Classification: 1QRM; 3JH; AMB; BJ; WTLC. Category: (P) Professional & Vocational. Dimension: 23 x 15 x 15. Weight in Grams: 666.
- Publisher
- Boydell & Brewer Ltd
- Format
- Hardback
- Publication date
- 2017
- Condition
- New
- SKU
- V9781783272068
- ISBN
- 9781783272068
Hardback
Condition: New
€ 79.81
€ 79.81
Hardcover.
- Format
- Hardback
- Publication date
- 2008
- Publisher
- Cameron & Hollis United Kingdom
- Edition
- THAMES & HUDSON
- Number of pages
- 320
- Condition
- New
- SKU
- V9780906506233
- ISBN
- 9780906506233
Hardback
Condition: New
€ 251.51
€ 251.51
Paperback. Num Pages: col. Illustrations. BIC Classification: 1DBKS; AMB. Category: (G) General (US: Trade). Dimension: 283 x 216 x 10. Weight in Grams: 612.
- Publisher
- Lomond Books United Kingdom
- Format
- Paperback
- Publication date
- 2010
- Condition
- New
- SKU
- V9781842042175
- ISBN
- 9781842042175
Paperback
Condition: New
€ 11.18
€ 11.18
Hardcover. Num Pages: 320 pages, 250. BIC Classification: 1DBKE; AMN; AMX. Category: (P) Professional & Vocational. .
- Publisher
- Historic England Publishing
- Format
- Hardback
- Publication date
- 2018
- Condition
- New
- SKU
- V9781848020320
- ISBN
- 9781848020320
Hardback
Condition: New
€ 95.13
€ 95.13
Hardback. Num Pages: 240 pages, 200. BIC Classification: AM. Category: (G) General (US: Trade). Dimension: 270 x 203. Weight in Grams: 567.
- Publisher
- Monacelli Press
- Format
- Hardback
- Publication date
- 2017
- Condition
- New
- SKU
- V9781580934886
- ISBN
- 9781580934886
Hardback
Condition: New
€ 56.74
€ 56.74
Hardcover. Num Pages: 200 pages, 75 colour photos. BIC Classification: AMVD; RPC. Category: (G) General (US: Trade). Dimension: 261 x 211 x 21. Weight in Grams: 918.
- Format
- Hardback
- Publication date
- 2008
- Publisher
- Urban Land Institute,U.S. United States
- Number of pages
- 200
- Condition
- New
- SKU
- V9780874201000
- ISBN
- 9780874201000
Hardback
Condition: New
€ 46.05
€ 46.05
Paperback. This book reflects fresh perspectives from the scholarship of Singaporean academics. Editor(s): Ho, Elaine Lynn-Ee; Woon, Asst Proffesor Chih Yuan; Ramdas, Kamalini. Num Pages: 336 pages. BIC Classification: AM; RGL; RPC. Category: (G) General (US: Trade). Dimension: 229 x 152 x 0. .
- Format
- Paperback
- Publication date
- 2013
- Publisher
- NUS Press
- Condition
- New
- SKU
- V9789971697723
- ISBN
- 9789971697723
Paperback
Condition: New
€ 53.89
€ 53.89
Hardback. Num Pages: 256 pages, Full Colour illustrations throughout. BIC Classification: AM. Category: (G) General (US: Trade). Dimension: 254 x 203 x 23. Weight in Grams: 1177.
- Publisher
- Permuted Press
- Format
- Hardback
- Publication date
- 2017
- Condition
- New
- SKU
- V9781937268053
- ISBN
- 9781937268053
Hardback
Condition: New
€ 35.99€ 32.52
€ 35.99
€ 32.52
Hardback. Political winds shift, architectural styles change, and technological innovations influence waves of demolition and reconstruction in this analysis of Chang'an Avenue's metamorphosis Series: China Program Books. Num Pages: 352 pages, 118 color illus. BIC Classification: 1FPC; AMVD; GTB. Category: (P) Professional & Vocational. Dimension: 6466 x 4531 x 30. Weight in Grams: 1339.
- Format
- Hardback
- Publication date
- 2013
- Publisher
- University of Washington Press United States
- Number of pages
- 352
- Condition
- New
- SKU
- V9780295992136
- ISBN
- 9780295992136
Hardback
Condition: New
€ 76.75
€ 76.75
Hardcover. Num Pages: 128 pages, 106 colour photos. BIC Classification: 1DDF; AMC. Category: (G) General (US: Trade). Dimension: 304 x 252 x 17. Weight in Grams: 996.
- Format
- Hardback
- Publication date
- 2013
- Publisher
- Edition Axel Menges Germany
- Number of pages
- 128
- Condition
- New
- SKU
- V9783936681628
- ISBN
- 9783936681628
Hardback
Condition: New
€ 58.27€ 45.46
€ 58.27
€ 45.46
Hardback. Architectural ceramics have long been confined to decorative surfaces. Today innovations in material technology, production methods and assembly systems allow applications that combine the materials' emotional attractiveness with new functionalities. This book deals with ceramic materials in architecture. Num Pages: 224 pages, 15 black & white tables, 10 black & white halftones, 350 colour illustrations, 100 black. BIC Classification: AMC; AMR; TNK. Category: (P) Professional & Vocational. Dimension: 280 x 220. Weight in Grams: 1304.
- Publisher
- Birkhäuser
- Format
- Hardback
- Publication date
- 2015
- Condition
- New
- SKU
- V9783038218432
- ISBN
- 9783038218432
Hardback
Condition: New
€ 40.99€ 36.59
€ 40.99
€ 36.59
Hardback. The design and history of Paris's iconic Centre Pompidou is explored in this absorbing and beautifully illustrated biography of a building. Series: Great Architects/Great Buildings. Num Pages: 168 pages, 43 color + 89 b/w illus. BIC Classification: 1DDF; AMB; AMG. Category: (G) General (US: Trade). Dimension: 188 x 252 x 16. Weight in Grams: 610.
- Publisher
- Yale University Press
- Format
- Hardback
- Publication date
- 2016
- Condition
- New
- SKU
- V9780300221299
- ISBN
- 9780300221299
Hardback
Condition: New
€ 41.67
€ 41.67
Hardcover. Num Pages: 192 pages, 200-plus color photos. BIC Classification: AM. Category: (G) General (US: Trade). Dimension: 290 x 223 x 21. Weight in Grams: 1304.
- Publisher
- Schiffer Publishing Ltd
- Format
- Hardback
- Publication date
- 2008
- Condition
- New
- SKU
- V9780764329517
- ISBN
- 9780764329517
Hardback
Condition: New
€ 48.99€ 32.41
€ 48.99
€ 32.41
Hardcover. Series: Schiffer Design Books. Num Pages: 239 pages, 350+ color photos. BIC Classification: AMKD. Category: (G) General (US: Trade). Dimension: 288 x 220 x 27. Weight in Grams: 1494.
- Format
- Hardback
- Publication date
- 2004
- Publisher
- Schiffer Publishing
- Edition
- First Edition
- Condition
- New
- SKU
- V9780764318740
- ISBN
- 9780764318740
Hardback
Condition: New
€ 40.99€ 39.53
€ 40.99
€ 39.53
Hardcover. A private view of the genius of Cecil Beaton, reflected through the lens of his town and country idylls, and his passion for interior design, gardening, and entertaining a circle of Bright Young Things. Num Pages: 368 pages, 300 colour and black and white photographs. BIC Classification: AMR; BGF. Category: (G) General (US: Trade). Dimension: 267 x 317 x 38. Weight in Grams: 2732.
- Publisher
- Rizzoli
- Format
- Hardback
- Publication date
- 2016
- Condition
- New
- SKU
- V9780847848775
- ISBN
- 9780847848775
Hardback
Condition: New
€ 70.06€ 52.15
€ 70.06
€ 52.15