Tracie Hotchner is the author of "The Dog Bible: Everything Your Dog Wants You to Know" (Gotham Books, 2005) and the million-copy bestseller "Pregnancy & Childbirth," for which she appeared on national talk shows ranging from "Today" to "Oprah," Tracies two areas of pet expertise have made her a national radio personality twice over, and she hosts two live, weekly call-in shows: "Cat Chat" on Martha Stewart Living Radio and "Dog Talk," her own NPR show, produced by WLIU.FM at Southampton College.