Award-winning science writer Seymour Simon answers all your questions about man’s best friend in this full-color photographic nonfiction picture book ideal for young dog lovers and anyone considering getting a pet dog. When and why did dogs become pets for humans What makes dogs so intelligent How strong is a dog’s sense of smell What does it take to care for a pet dog Find out and more in this fun, accessible exploration of the most popular pet in the world. Canine fans will devour the fun facts, fascinating science, and useful tips for present and future dog-owners. This book includes an author's note, glossary, and index. An excellent choice for classrooms and homeschooling, Dogs supports the Common Core Learning Standards, Next Generation Science Standards, and the Science, Technology, Engineering, and Math (STEM) standards.