"Miss Sarah" Hodgson is the author of seven dog training books, including Puppies For Dummies, DogPerfect, PuppyPerfect, and Teach Yourself VISUALLY Dog Training. Sarah has been a trainer of dogs and their people for over 20 years. Her celebrity clients include Katie Couric, Richard Gere, Glenn Close, Chazz Palmientieri, Chevy Chase, Lucie Arnaz, George Soros, Tommy Hilfiger, Tommy Mottola, and Bobby Valentine. She lives in Katonah, New York, with her daughter, Lindsay, and her black Lab, Whoopsie Daisy. For more information, visit Sarah's website: www.dogperfect.com. Arthur Greenwald is an award-winning writer and producer, whose television programs have appeared on PBS, CBS, Lifetime, and the Sci-Fi Channel. He has served as a creative and strategic media consultant to a wide range of clients, including the Academy of Television Arts and Sciences, the Ad Council, Bloomberg Television, and Yale University. Greenwald lives in Studio City, California, with his Dalmatians, Traffic and Emily, who report that Arthur's training is "coming along nicely."