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Martial Arts Essentials
By an Amazon.com customer
Gene LeBell's Grappling World, The Encyclopedia of Finishing Holds (2nd Expanded Edition)Gene LeBell's Grappling World, The Encyclopedia of Finishing Holds (2nd Expanded Edition) by Mario Roberts
Buy new: $38.44 / Used from: $26.99
A grappler's Bible
Brazilian Jiu-Jitsu: Theory and Technique (Brazilian Jiu-Jitsu series)Brazilian Jiu-Jitsu: Theory and Technique (Brazilian Jiu-Jitsu series) by Renzo Gracie
Buy new: $19.77 / Used from: $13.95
A good pictorial of Brazilian jujitsu and great insight.
Inside the Lion's DenInside the Lion's Den by Ken Shamrock
Buy new: $13.57 / Used from: $0.01
Enter the world of Ken Shamrock
Comprehensive Applications of Shaolin Chin Na: The Practical Defense of Chinese Seizing Arts for All Styles (Qin Na : the Practical Defense of Chinese Seizing Arts for All Martial Arts Styles)Comprehensive Applications of Shaolin Chin Na: The Practical Defense of Chinese Seizing Arts for All Styles (Qin Na : the Practical Defense of Chinese Seizing Arts for All Martial Arts Styles) by Yang Jwing-Ming
Buy new: $23.07 / Used from: $6.79
A great reference on the Standup jointlocks
The Official United States Navy Seal Workout (Military Fitness)The Official United States Navy Seal Workout (Military Fitness) by Andrew Flach
Buy used from: $2.84
The best book for physical conditioning
Tao of Jeet Kune DoTao of Jeet Kune Do by Bruce Lee
Buy new: $11.53 / Used from: $4.95
An fantastic book with insight from the Dragon
Frank Shamrock's Ultimate Fighting MethodFrank Shamrock's Ultimate Fighting Method by Frank Shamrock
Hasn't been published but I'll go out on a limb to give it a "thumbs up"
This is Self Defense (Kenpo Jujitsu) The Essential Guide For the Conceptual Martial ArtistThis is Self Defense (Kenpo Jujitsu) The Essential Guide For the Conceptual Martial Artist by Professor Frank R. Ricardo
Buy used from: $10.00
The book of a warrior mindset