""It will be the book for a long time to come to which students and researchers will turn with confidence, as well as pleasure."" Istvan Hargittai, Structural Chemistry, Feb 2003 ""... a long awaited book on polymorphism by a renowned expert [...] a rich and comprehensive compilation and illustration of the structural variety of polymorphs and their properties."" Andrzej Katrusiak, ACA Book Reviews, Winter 2002