Dr. Resi Gerritsen and Ruud Haak are world-renowned specialists in the field of dog work and the authors of more than 30 titles on dog training. They serve as training directors and international judges for the International Red Cross Federation, the United Nations, the International Rescue Dog Organization and the F?d?ration Cynologique Internationale (FCI).
This is by far one of the best scent books for dogs that I have reviewed. All dogs live in a world of scent, and therefore every dog owner can benefit from this book. - Susan Bulanda