This new second edition, many years in the making, provides the reader with the information that is needed to understand both traditional mechanisms as well as

High-Security Mechanical Locks comprehensively surveys and explains the highly technical area of high security locks in a way that is accessible to a wide audie

Compiled and written by two of the industry's leading educators on GSA approved security equipment. "GSA Container Identification" contains approximately 100 pa

A comprehensive, fully illustrated guide to the fascinating sport of picking locks, Locksport is authored by five of the field’s foremost champions. Together,