Introducing "The Portable Miracle Ball," a take-it-anywhere-and-everywhere kit ideal for business travelers and commuters or anyone who spends long hours away from home. Rather than two balls, these exercises require only one, which, at 3 inches in diameter, packs easily and is discreet to use in public. The fully illustrated book is filled with simple exercises that work miracles the minute you settle into your hotel room or board a plane. Stuck...