The preparation and use of immobilized cells are topics of great interest in biotechnology. The range of applications is still expanding. This book gives a coherent overview, illustrated by specific references to carefully selected examples from literature. It includes discussion of the characteristics of immobilized cell preparations and of the types of reactors used, so that it is understandable to both engineers and biologists. Written by experienced teachers, the book uses a simple, direct style. It avoids specialized jargon and is highly readable.