Rodrigo Gracie is the grandson of Brazilian Jiu-Jitsu founder Carlos Gracie, has won a string of victories at the ultimate fighting event Pride, and runs his own fighting academy. He is the coauthor of the bestselling Path to the Black Belt and No Holds Barred Fighting. He lives in Los Angeles. Kid Peligro is the author of several groundbreaking books, including The Gracie Way, andthe coauthor of Brazilian Jiu-Jitsu Black Belt Techniques, Brazilian Jiu-Jitsu Self-Defense Techniques, Brazilian Jiu-Jitsu Submission Grappling Techniques, and Superfit. He is editor at large for Gladiator Magazine and has regular columns in Europe's Fighter Magazine and Gracie Magazine.He is asecond-degree black belt in Jiu-Jitsu. He lives in San Diego, California.