Locks Safes and Security+ (LSS+) v5

This is the Bible of Locksmithing ..
LSS+v5 (2004) covers everything you ever wanted to know about keys, locks,safes, the materials used in mnfg,metallurgy,tools etc etc ..
It's easily one of the most comprehensive and info-packed books I
have ever read on ANY subject ..
If something about locks is not in this book it's because it's not worth knowing !