There's an excerpt from my new book Purr on The Wildest . Photo: Wirestock Creators/Shutterstock By Zazie Todd PhD This page contains affiliate links which means I may earn a commission on qualifying purchases at no cost to you Get Companion Animal Psychology in your inbox. There's an excerpt from my new book, Purr: The Science of Making Your Cat Happy on The Wildest , about how you can tell if your cat is happy . Read it, and then if you don't have your copy of Purr yet, you can get it from these links: Chapters/Indigo Indiebound Bookshop Barnes & Noble Amazon Blackwells Waterstones Booktopia In Canada, signed copies of Purr are available from Black Bond Books via this link: https://blackbondbooks.com/purr Zazie Todd, PhD, is the award-winning author of Wag: The Science of Making Your Dog Happy and Purr: The Science of Making Your Cat Happy . She is the creator of the popular blog, Companion Animal Psychology, and also has a column