Books by Zazie Todd, PhD.

Zazie Todd's books Purr: The Science of Making Your Cat Happy (with a foreword by Pam Johnson-Bennett) and Wag: The Science of Making Your Dog Happy (with a foreword by Dr. Marty Becker) are available from all good bookstores.

A copy each of Purr and Wag, books by Zazie Todd, and a red gazania

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In Canada, signed copies of Purr are available from Black Bond Books via this link: and Wag with this link:

"Full of great science delivered with genuine warmth and heart; I just couldn't put this book down. Through Wag and now Purr, Zazie Todd has united dog-people and cat-people in a single goal: to make the lives of animals in our care richer and healthier—mentally, physically, emotionally—than we ever thought possible."

—Jules Howard, zoological commentator and author of Wonderdog

The cover of the book Purr: The Science of Making Your Cat Happy by Zazie Todd

“A digestible mixture of science summaries, expert opinions, anecdotes about Zazie’s cats, and practical tips. Purr is definitely a book your cat would want you to read!"
—Dr. Sarah Ellis, co-author of The Trainable Cat and Head of Cat Advocacy, International Cat Care

"A wonderful, evidence-based guide with concrete suggestions for cat owners to improve the lives of the cats they live with. Purr is a welcome and exciting addition for every cat lover's bookshelf."
—Mikel Delgado, PhD, Certified Applied Animal Behaviorist and co-founder of Feline Minds

The cover of Wag: The Science of Making Your Dog Happy by Zazie Todd

Wag: The Science of Making Your Dog Happy won a Maxwell Medallion from the Dog Writer's Association of America. 
     “Using the latest canine science, Zazie Todd gives us a clear and compassionate guide to bringing out the best in your dog.”
—Gregory Berns, NYT-Bestselling author of How Dogs Love Us

    "Zazie Todd, a pyschologist and dog trainer, gives us the latest research and insights that can help you better understand your dog. Practical, compassionate, thorough — and based on science rather than wishful thinking — Wag is also a gift you should give to yourself and the dog or dogs in your life. I loved it!” 
—Cat Warren, NYT-Bestselling author of What the Dog Knows

If you would like bulk orders of Wag and/or Purr for your humane society, SPCA, dog training school, veterinarian's office, or pet store, please contact Megan Jones on megan.jones at

Literary representation: Fiona Kenshole at Transatlantic Agency.

To contact Zazie Todd, PhD, email companimalpsych at gmail dot com

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