"Crystals and Crystal Structures" is an introductory text for students and others who need to understand the subject without necessarily becoming crystallographers. Using the book will enable students to read scientific papers and articles describing a crystal structure or use crystallographic databases with confidence and understanding. Reflecting the interdisciplinary nature of the subject the book includes a variety of applications as diverse as the relationship between physical properties and symmetry, and molecular and protein crystallography. As well as covering the basics the book contains an introduction to areas of crystallography, such as modulated structures and quasicrystals, and protein crystallography, which are the subject of important and active research. A non-mathematical introduction to the key elements of the subject, this work contains numerous applications across a variety of disciplines, and includes a range of problems and exercises. It features a clear, direct writing style. "...the book contains a wealth of information and it fulfils its purpose of providing an interesting and broad introduction to the terpenes." - Chemistry World, February 2007".