Success Secrets of Black Belt Masters by Melody Shuman, Michael MCreery, Ernie Reyes, Bill Walace, Rondy McKee, Solomon Brenner, Dave Kovar, Master Bill Clark, Brian Tracy, Omar Periu, Greg Silva, Allie Alberigo, Tom callos, Rob Colasanti, John Hackleman, Ed Parker Jr., Michael St. John, Jonathon Gullery, Michael Chaturantabut | Lex | Lex