Lightning Ju-Jitsu by Harry Lord

You, too, can be tough! You can defeat your enemy in a fight. This is what Lightning Ju-Jitsu promises you. Toughtness and victory are what it can bring you. In the pages of this book lie the secrets of Science over mere strength-technique over big but untaught muscles.
From the preface

Contents include:
Lightning blows
Grips, Twists and Holds
Throwing your foe
Breaks and counters
Thwarting an armed adversary
Police and G-men favourites
Self-defense for women
Commando "blitz" tactics