Safe Man's Guide Volume 2 published by Locksmith Ledger has 78 pages, paperback, and measure 5.5" x 8.5". Estimating 1960's? Inside looks new; cover has light wear. Devoted to Safe Servicing Techniques. Represents articles written by safe expert Milton F. Wolferseder. Designed for use by legitimate locksmiths and safe men only. Contents protected by copyright. Section One list brands of safes, Section Two has servicing special safe functions. Section three has general service techniques. Illustrated. Was available from Clary's Lock and Key Ser, Kansas City, Missouri. Thanks for looking!