Mac Barnett is the New York Times bestselling author of many picture books, including Extra Yarn and Sam & Dave Dig a Hole, both illustrated by Jon Klassen and both Caldecott Honor award winners. He is also the author of the bestselling Terrible Two series with Jory John. Mac lives in Berkeley, California. You can visit him online at www.macbarnett.com.

Adam Rex is the author of many books, including Cold Cereal and Unlucky Charms, the first two books in the Cold Cereal Saga; the New York Times bestselling picture books The Legend of Rock Paper Scissors and Frankenstein Makes a Sandwich; the middle grade novel The True Meaning of Smekday (now a major motion picture from Dreamworks, Home); and the teen novel Fat Vampire. He lives in Arizona with his wife.

Jon Scieszka is the National Ambassador for Children's Literature emeritus and the bestselling author of more than twenty-five books for kids, including The Stinky Cheese Man and Other Fairly Stupid Tales, Math Curse, Robot Zot!, and the Time Warp Trio series. Jon founded Guys Read to encourage a passion for reading among young boys, with the philosophy that boys love to read most when they are reading things they love. A former elementary school teacher, Jon lives in Brooklyn with his family. For more great books, more great facts, and more about your favorite authors, head over to www.guysread.com. You'll be glad you did.