The following books might be of use in your grappling journey…

Saulo Ribeiro-six-time Brazilian Jiu-Jitsu World Champion-is world-renowned for his functional jiu-jitsu knowledge and flawless technique. Here Ribeiro shares with the public for the first time his revolutionary system of grappling, mapping out more than 200 techniques that carry you from white to black belt. Illuminating common jiu-jitsu errors and illustrating practical remedies, this book is a must for all who train in jiu-jitsu. Not your run-of-the-mill technique book, Jiu-Jitsu University is a detailed training manual that will change the way jiu-jitsu is taught around the globe.
You can order HERE.

The Birth and Evolution of Catch-as-Catch-Can Pro-Wrestling in East Lancashire, England. “The Story of Catch” covers the most forgotten stages of Lancashire’s Catch Wrestling history, including it’s origin, it’s fast growth and evolution during first fifty years of Catch, introduction of professionalism and it’s Golden Era, as well as introduction and popularization of it in the United States. For anyone with a serious interest in history of professional wrestling “The Story of Catch” is a must.
You can order HERE.