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Happy cats. Happy dogs. Thanks to science.

Zazie Todd, PhD, is an animal behaviour expert and award-winning writer who is at the forefront of the move towards positive animal welfare and kind, humane dog training methods. Todd's highly-anticipated third book, Bark! The Science of Helping Your Anxious, Fearful, or Reactive Dog is out now.

A copy of Bark! on a table with 2 cups of tea and a plate of pink macarons. The cover of Bark! is blue, as are the teacups, saucer, and plate.


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"This insightful book gave me--a lifelong dog guardian with a passion for all things dog--much to think about. I'll be referring to it often."
Teresa J Rhyne, #1 NYT-bestselling author of The Dog Lived (and So Will I) and Poppy in the Wild.
“Todd’s step-by-step advice felt relatable and manageable. [...] This book is a must-read for anyone caring for a reactive or anxious dog.”
—The Times

Get Bark! now from Greystone Books   from Bookshop   From Bookshop(UK)   from Amazon    from other retailers   from Scribe (Australia)

For media inquiries please contact Sydney Marchand at Greystone Books (sydney dot marchand at greystone books dot com).

Zazie Todd with her late Australian Shepherd Bodger and the covers of her first 2 books Wag and Purr

Zazie Todd's first 2 books, Wag: The Science of Making Your Dog Happy and Purr: The Science of Making Your Cat Happy, are available from all good bookstores.

Get Purr from Greystone Books    from Bookshop   from Bookshop(UK)   from Amazon    from other retailers  

Get Wag from Greystone Books    from Bookshop   from Bookshop(UK)   from Amazon    from other retailers 

New and Trending




Recent Media Mentions and Interviews with Zazie Todd

Allusionist 206. Bonus episode, The Allusionist podcast, 22 Dec 2024

Positive consistency with Zazie Todd, Dog Save the People podcast, 17 Dec 2024 (Apple, Spotify)



What cats really need for the good life, interview with Zazie Todd, Cat Happiness magazine, Winter 2024

Your pet parent holiday wishlist, Believe in Dog podcast, 9 Dec 2024

Lexicat part 2, now with added dog, The Allusionist podcast, 6 Dec 2024

Helping your anxious dog, Radio New Zealand's Sunday Morning with Jim Mora, 1 Dec 2024

Upcoming Events




The Dog Behavior Conference online, April 4-6 2025. With speakers Victoria Stilwell, Julia Robertson, Amber Batson, Carmaleta Aufderheide, Sarah Fisher, Andrew Hale, Tom Candy, Sindhoor Pangal, Niki Tudge, Jo Pay, Irith Bloom, and Zazie Todd. 


The poster for the Dogs and the City conference has photos of Tom Candy, Zazie Todd, and Malena DeMartini

Dogs and the City conference, in person and online, September 26-28 2025. With speakers Tom Candy, Zazie Todd, and Malena DeMartini in Toronto, Canada. 


Praise for Companion Animal Psychology

"Companion Animal Psychology is, bar none, the single best resource for accessible information on dog and cat behavior."--Jean Donaldson, Academy for Dog Trainers.

"My favourite animal-related blog"--Patricia McConnell, PhD

"For your average pet lover, it can be hard to figure out the best way to make their animals’ lives better. Enter Companion Animal Psychology, a blog packed with research-based information on how pets think."--Erin Blakemore, Washington Post.


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