Sexyballs™ book is a professional step by step ‘sexercise’ guide on safe and effective sex positions  that can be performed incorporating many muscle groups and ability levels to achieve a more pleasurable ‘sexercise’ experience while improving strength, muscle tone and even weight loss. Not only does ‘sexercise’ improve heart health and lung capabilities, the strength exercises performed during sex on a fitness ball will assist in stimulating specific muscles and erogenous zones (pleasure areas) that cannot be achieved during regular weight training or sex positions.  During exercise and sexual activities.