Mary ray039s superdog mary ray39s superdogyou too could have a dog thats as obedient as mary ray39s and this book teaches you hownbspfrom raising a super litter through to advanced agility learn the secrets of successful and comprehensive clicker training from the best in the business its a wonderful book with everything laid out in easy to understand language and is a must for any dog owner who wants to have fun with there best friend 128 pages full of step by step easy to understand instru