This fitness solution is appropriate for all fitness levels. It will help you combine the Pilates principles of core control and stabilization with the instability of the fitness Ball creating an effective and challenging work out. This bundle includes: 1) a fitness ball. These durable balls are highly effective for resistance, flexibility and interval training. Fitness balls are safe, comfortable and affordable. 2) The Balance on the Ball Book. The first book to blend two techniques, pilates and stability ball training. There are over 100 exercises to stretch and strengthen every major muscle group in your body. Each exercise includes helpful tips for maintaining optimal form and alignment. Black-and-white photos clearly illustrate each movement. Paperback, 155 pages. 3) BodyTrends 'Sticky' yoga Mat, provides a stable, non-slip surface for your workout. This mat is lightweight and durable offering insulation from cool floors.