Who says adults can't have fun? This book explores 100 of the coolest, wackiest, and most amazing jobs and careers out there, from astronaut to zookeeper, ice cream taster to game maker.   Jam-packed with inspiration, hands-on projects, advice from National Geographic explorers, interviews with experts, weird-but-true facts, and more, this new book in the popular "100 Things" series is a great way to get kids thinking creatively about career paths and excited about their futures!