Martin's new book is available here. It's definitely a unique book and worth checking out.
Amazon.com: Ultimate Warrior Workouts (Training for Warriors): Fitness Secrets of the Martial Arts (9780061735226): Martin Rooney: Books
It follows Martin as he goes to Thailand, Japan, Russia, Holland, Brazil and the US to look at some of the traditional training methods of the martial arts that comprise today's mixed martial arts game.
The chapters look at the conditioning methods of BJJ, Muay Thai, Wrestling, Boxing, Judo, Kickboxing, Sambo and Karate. Martin follows that up with very specific chapters on Nutrition, Cardio training, Flexibility Training, Partner Based Workouts and finally gives his own Warrior Workout with 6 MONTHS of training laid out day by day! The book is 348 pages and has some phenomenal photography shot all over the world.
It features a forward by Roger Gracie and training with Roger, Frankie Edgar, Braulio Estima and many others.