April fools! Whether you're the trickster or the tricked, the first day of April each year is filled with fun pranks and practical jokes. April Fools' Day has been celebrated for hundreds of years, but believe it or not, nobody is really sure how and when it started. Using accessible language, this book explores the stories behind the history of this joke-filled holiday. Readers will love learning about how April Fools' Day has been celebrated in the past and the creative ways people celebrate today. It's never too early to learn about this fun holiday and start planning next year's big prank.