Heather Smith Thomas has written extensively on animal health care, authoring thousands of articles and 24 books on the subject. Her books include Storey s Guide to Raising Beef Cattle, Essential Guide to Calving, Getting Started with Beef & Dairy Cattle, The Cattle Health Handbook, The Horse Conformation Handbook, Storey s Guide to Raising Horses, Storey s Guide to Training Horses, and Stable Smarts. She raises cattle and horses on her family ranch in Salmon, Idaho.