From the #1 New York Times bestselling World Almanac(TM) comes an engaging, interactive book full of "true-or-false" facts that will keep readers guessing as they turn every page. TRUE OR FALSE? Toenails grow at the same rate as fingernails. The Nile River is the only river in the northern hemisphere that flows south to north. House flies all buzz in the same musical key. Find out the answers to these true-or-false statements and more than 250 others with The World Almanac Amazing and Awesome True-or-False Facts for Really Smart Kids . Alone or together, kids can make their best guesses of whether each statement is true or false, and then turn the page to find the answer--and learn even more fun facts about each item With a uniquely interactive format featuring a fun sound chip, this book has smart readers engaged and eager at every step with essential facts on dozens of intriguing topics.