There is much meticulous research behind this book and it show. In format, if not is style, the text is clear and usable. There is helpful advice on aggregates, on methods of mixing and on selection of different mortars depending on location, a useful glossary, and clear photographs. SPAB Lime mortars are one of the most strongly debated topics of traditional construction. This book covers in depth the composition and use of hydraulic lime mortars in an accessible manner. This book is a must for any professional involved in the specification of lime. It also has much information that the tradesmen on site will find useful. Building Conservation Journal If you work with lime in mortars or renders you will want two copies (one to keep beside your mixing bath and one for your bookshelf). Ecclesiastical and Heritage World It is unlikely that more definitive, clearly presented information on this subject will become available will become available for a long time. In the absence of suitable British or European Standards, the book is an indispensable reference for anyone intending to specify hydraulic lime mortar for masonry. Context The use of colour photographs to emphasise particular points is to be commended, as is the extensive glossary contained at the back of the publication. Overall, this publication provides an informative text addition to this subject area, from which practitioners and students alike can either further their knowledge, or concentrate on more specific performance characteristics of the material. Building Engineer