Kathleen Krull is well known for her innovative, award-winning nonfiction for young people, including Lives of the Explorers, Lives of the Musicians, and all other books in this popular series illustrated by Kathryn Hewitt. She is also the author of Harvesting Hope: The Story of Cesar Chavez, illustrated by Yuyi Morales, as well as The Beatles Were Fab (and They Were Funny) and Lincoln Tells a Joke: How Laughter Saved the President (and the Country), both co-written with Paul Brewer and illustrated by Stacy Innerst. She lives in San Diego, California. Visit her online at kathleenkrull.com. Born in Xalapa, Mexico, Yuyi Morales lived for many years in the San Francisco Bay Area. She is a storyteller, dancer, choreographer, puppeteer, and artist, who has won the prestigious Pura Belpr� Award for Illustration five times and has also been awarded the Caldecott Honor.