Locks and Keys throughout the Ages is widely considered the best book ever written on the history and development of locks. It is illustrated throughout with ph
Describes the development and uses of different kinds of locks, relates stories about important locks in history, and discusses the meanings that the words "loc
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
A New York Times bestseller Unlock your heart and the rest will follow. Ruby is used to taking care of herself. But now that she’s living with her sister, she