Gwen Bailey was the Head of Animal Behaviour for The Blue Cross, one of Britain's foremost animal welfare charities, for many years and also spent 15 years as Chairman of The Association of Pet Behaviour Counsellors. As well as lecturing at national and international conferences, Gwen also runs training courses for staff at animal charities around the world and is the owner of The Puppy School, establishing a network of professional, well-trained tutors across the UK. She is the author of several dog-training titles including Puppy School, What is my Dog Thinking?, The Rescue Dog and Choosing the Right Dog for You, all published by Hamlyn.