The National Locksmith Guide to Common Master Keying
This book takes much of the mystery out of master keying. It contains many of the tricks, work-arounds and insights gained through experience. It is unlike many of the grand works of technical confusion penned by other authors. This is a Complete Home Study Course (a How-To guide) in master keying. The book is spiral bound for ease of reading and use in the shop. It is better than a class or lecture. Learning objectives are stated at the beginning of each chapter and Study questions follow the text. Answers to the questions are found at the back of the book. The "Scan and Print" section allows the reader to copy and reproduce blank forms, System Cards, Pinning Matrix Cards and Pinning Cards found in the text. If I had found this book forty years ago, my experiences with master keyed systems would have been a lot easier. It is priced at about half what you would expect to pay for a short class in master keying, at any locksmith convention or trade show. This book makes Master Keying easy to understand and will answer many of the questions surrounding the magic of master key systems. "You" can write Master Key systems, with al little knowledge and a sharp pencil. You just have to know the "Basic Rules of Master Keying."
Written by a Locksmith of over 40 years, Instructor and International Speaker on Locks and Locksmith Techniques, this book is a "must have" text for anyone that writes or maintains pin tumbler Master Key Systems. No other book covers the subject to this level of explanation.
5 1/2 x 8 1/2 Spiral Bound, 184 pages