Edward L. Allen's System Of American Jiu-Jitsu - Hardcoverby Edward L. Allen (Author) Edward L. Allen's System of American Jiu Jitsu is a comprehensive guide to the martial art of Jiu Jitsu as developed by Allen himself. The book provides detailed instructions and illustrations for a wide range of techniques, including throws, locks, chokes, and strikes. Allen's system emphasizes practical self defense skills that can be used in real life situations, and is designed to be accessible to practitioners of all