When the daytime and nighttime animals on Earth get tired of Sun and Moon's constant bickering over who should rule the world, they hold competitions - a cookout and a race - to determine the winner once and for all. But when neither the "night" team nor the "day" team wins in a fair way, how will they fix their problem? This beautifully illustrated story teaches kids respect for nature's rhythms and each other. It includes a guide that helps parents and teachers explain the science of Earth's day-and-night cycles in simple language. AUTHOR: Lili DeBarbieri is a Tucson-based author of award-winning travel guidebooks, picture books, and historical fiction. Katie Wools lives in St. Louis and is the creative director at Washington University's Olin Business School. SELLING POINTS: . A humorous story about taking turns and the science behind Earth's day-and-night cycles . Colourful drawings illustrate nocturnal and diurnal animals and the seasons in locations around the globe . How will the world's animals resolve a serious problem?