Dog Breed Guide

T. J. RESLER is a former journalist and research analyst turned writer. With the curiosity of a journalist and the research chops of a Ph.D., she's tackled issues of science, health, human rights, the environment, and more in her writing. She is also the author of the How Things Work books for Nat Geo Kids.Expert DR. GARY WEITZMAN is a veterinarian and president of the San Diego Humane Society, former CEO of the Washington Animal Rescue League, and former host of public radio's Animal House.Expert AMANDA KOWALSKI, MS, CPDT-KA, serves as the Behavior Center director for the San Diego Humane Society, where she leads a team of animal trainers and caregivers who provide specialized behavior plans for shelter animals as well as behavior support to members of the San Diego Community. She has specialized in behavioral care in shelters across the country for more than 10 years. She holds a master's degree in Animals and Public Policy from the Cummings School of Veterinary Medicine at Tufts University, is a certified professional dog trainer, and serves on the board of directors for the Certification Council for Professional Dog Trainers (CCPDT).