Books are fragile objects. In the wring environment, excessive bent and cold, humidity, animals and insects--even people-- can cause rapid damage to a book's fabric. In this practical guide to maintaining a collection at its best, the author explains the reasons for decay in books and documents and gives straightforward advice on creating the right conditions for a library, large or small. *Fully revised and expanded edition of this authoritative work *Illustrated with photographs and line drawings. *An invaluable addition to any library