The repair procedures in Bookcraft[TM] are intended for circulating collections in school and public libraries. It assumes that these volumes will eventually be weeded or replaced, and that both budgets and staff are limited. Libraries that have collections with long-term research value will want to consult Gaylord’s Pathfinder No. 4: Introduction to Book Repair for guidelines in developing a book repair program based on conservation principles. No matter what the collection, however, effective book repair begins with an understanding of book structure, principles of repair, and appropriate supplies and equipment.