I read this book as part of my locksmith training. It's a *very* thin book, and a lot of its pages are dedicated to sample charts and illustrations. All in all, it's probably equivalent in length to an unusually hefty magazine article. Still, the principles are sound, and while it won't teach you how to open all combination locks or do it quickly, it will get you far enough along to deal with the padlock you put on your bike chain and forgot the combination to... :)

Share/Like this Review?