What is the world's most popular sport? What country invented ballet? What musical instrument plays an important role in African music? Read this book to find out! Part of World Book's Learning Ladders series, this book introduces children to common hobbies that people have, such as sports, dance, playing music, or reading. Each spread includes introductory text, colorful illustrations with detailed captions, and photographs that show real-world examples of the featured topic. Puzzle pages, fun facts, and true/false quizzes appear at the end of each volume.