Bound to Stay Bound Books specializes in providing the best bound juvenile books to school and public libraries. Bound To Stay Bound books are bound to the rigid specifications of the ANSI/NISO/LBI* Z39.78-2000 standard for library binding to give them superior quality, appearance, and most importantly, long life. Only our prebound books are strong enough to withstand repeated use by young readers and still remain in good, useable condition.