This book has been designed to benefit all undergraduate and postgraduate students in the faculties of science and engineering. It is specifically tailored to meet the needs of students in the civil engineering and geology departments, regardless of their specializations. The course of lectures upon which this book is based has been prepared to cover the syllabus of engineering geology in universities across the country. Additionally, the book will also be useful for students in other universities studying civil engineering. The engineering geology section of the book also covers the content typically found in B.Sc, M.Sc, and M.Tech courses in geology. Practicing engineers who require a brief introduction to the fundamental principles of geology that are relevant to their work will find this book to be an invaluable resource.