"Campbell comprehensively reviews modern permanent magnetic materials, their design, and their industrial applications in automobiles, computers, and various consumer products. This very well written work is illustrated by the author, who has had a long experience in the field of permanent magnets....The book will be valuable to the scientist or engineer involved in processing, design, and applications of permanent magnets, as well as to graduate students and faculty conducting research in the field of magnetism....An excellent acquisition." Choice