Book excerpt: Following up on the best-selling Little Kids First Big Book of Why, the next book in the hit Little Kids First Big Book series features even more of the endless "Why?" questions preschoolers love to ask! This charming reference book answers some of kids' most burning "Why?" questions. More than 200 colorful photos are paired with age-appropriate text featuring answers to questions like "Why do dogs sniff everything?" "Why do I burp?" and "Why is ocean water salty?" This book inspires kids to be curious, ask questions, and explore the world around them.