Black and White Book of 308 pages (13 x 20 x 1.5 cm) in 2 parts with a few illustrations. This is a guide that will take you to have a stable relationship with your dog while correcting his mistakes and highlighting its qualities. He explains the different groups (sporting, working dogs, terriers ...), the dysfunction, the excess energy ... but especially whether question. all to achieve a balanced pack. All master wants the dog that suits him, every dog deserves a good teacher who understands and knows how to take care of him!