You CAN Train Your Cat: Secrets of a Master Cat Trainer
Gregory Popovich and his performing cats have appeared onThe Tonight Show,Late NightWith DavidLetterman, Craig Ferguson, America’s Got Talent, Pen and Teller, Animal Planetand more.  He has also trained cats forSaturday Night Liveand pet food commercials, and has been written up inEntertainment Weekly, The New YorkerandPeople Magazine.