It's the 10th anniversary of the world's best-selling infopedia for kids! This year, it includes all new content, interviews with explorers in each chapter, a special look at what was going on in the world when the first National Geographic Kids Infopedia came out 10 years ago, plus the results for the 2019 Infopedia Challenge, and a new challenge for kids who want to get involved. Kids can have fun keeping up with our quickly changing world with the world's best-selling almanac for kids, packed with incredible photos, tons of fun facts, crafts, activities, and fascinating features about animals, science, nature, technology, and more. There's a whole chapter full of fun and games, including activities, jokes, and comics. Practical reference material, including fast facts and maps of every country, has been fully updated.