Chaser: Unlocking the Genius of the Dog Who Knows a Thousand Words

NEW YORK TIMES BESTSELLER. The amazing story of a very smart Border collie who redefined animal intelligence. A joyous explanation of behavior, learning, and perception—any pet owner, parent, teacher, or psychologist will be enriched by this book.

Chaser has fascinated dog lovers and scientists alike. Her story reveals the potential for extending dialogue with dogs well beyond "fetch."

When retired psychology professor John Pilley first got his new Border collie puppy, Chaser, he wanted to ...