On this edition of Conversations, Gary Weitzman, DVM, MPH, CAWA talks about the National Geographic Complete Guide to Pet Health, Behavior and Happiness. He is a licensed veterinarian and an accomplished animal welfare professional with more than 25 years of experience. Weitzman has published three books with National Geographic: one for children, Everything Dogs, and two for pet owners, How to Speak Dog and How to Speak Cat.