This is a 6 week long program on High Intensity Interval Training. Inside the book is information on how to complete the program, and a meal guide for proper fueling during your training. Each work out takes about 40-60 minutes. The work outs can be done from home or in a gym. The focus of this program is to build stamina and endurance. Increase your power and speed. Build your core muscles and maintain flexibility through out the program. For more information and programs, check out my website at GKFit-USA.com.