Click here to read about Dr. Richter’s generous donations to the Animal Rescues and to learn more about his new book. In honor of National Mutt Day, America’s Favorite Veterinarian, Dr. Gary Richter, is donating his #1 Amazon Best-Selling book, The Ultimate Pet Health Guide, to animal rescue shelters who participate in the campaign, #RescuesRock. Pet owners have an opportunity to win a signed copy of his best-selling book on Pet Parent Pack Facebook page, #RescuesRock.