Doreen Cronin is the author of many bestselling and New York Times bestselling picture books, including Click, Clack, Quack to School!; Click, Clack, Surprise!; Click, Clack, Ho, Ho, Ho; Click, Clack, Peep; Click, Clack, Boo!; Dooby Dooby Moo; Thump, Quack, Moo: A Whacky Adventure; Bounce; Wiggle; Duck for President; Giggle, Giggle, Quack; Bloom; and the Caldecott Honor Book Click, Clack, Moo: Cows That Type as well as The Chicken Squad series and Cyclone. She lives in Brooklyn, New York. Visit her at DoreenCronin.com.

Stephen Gilpin graduated from the NYC School of Visual Arts where he studied painting and cartooning. He is the illustrator of the Who Shrunk Daniel Funk series and The Extraordinary Adventures of Ordinary Boy series. Stephen currently lives in Hiawatha, Kansas. Visit him at SGilpin.com.