I found this book to be a comprehensive reference on all of the essential information that anyone would need to successfully keep guinea pigs healthy and happy. In addition to excellent reviews and tips on selection, housing, feeding, safety and breeding, the sections dealing with disease detection and behavioral problems are right on target. I like the use of handy charts and checklists for quick reference. Part of the problem of keeping any unusual pet is understanding the normal behaviors and knowing when something is going wrong that requires veterinary care--the author is a veterinarian and covers this subject in terms that all can understand.This book is generously illustrated with quality photographs and line drawings, tying in nicely with the text to fully explain the authors points. Both veterinarians and average guinea pig owners will find a permanent place on their bookshelves for this handy, clearly written handbook. The photos of the various types of guinea pigs show the interesting variations that these interesting little animals come in.