Sara Pennypacker splits her time between Florida and Massachusetts, were she feels lucky to be able to write every day. She is the author of many children's books, including Waylon! One Awesome Thing and Waylon! Even More Awesome, the New York Times #1 bestseller Pax; seven in the New York Times bestselling Clementine series; two in the Stuart series; Meet the Dullards; Summer of the Gypsy Moths; and Sparrow Girl. Her books have won numerous accolades, including a Golden Kite Award, a Christopher Award, and several children's choice state awards, and they have appeared on many Best Books of the Year lists. For more information, visit www.sarapennypacker.com.

Marla Frazee illustrated Waylon! One Awesome Thing and Waylon! Even More Awesome and all of the books in the Clementine series. She was awarded a Caldecott Honor on two occasions: for All the World by Liz Garton Scanlon, and her own A Couple of Boys Have the Best Week Ever. She is also the author-illustrator of Roller Coaster, Walk On!, Santa Claus the World's Number One Toy Expert, and The Boss Baby, which inspired a major motion picture. Marla has three grown sons, and works in a small backyard cabin under an avocado tree. Visit her at www.marlafrazee.com.