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.

Scott Menchin received rave reviews for his boisterous illustrations in Wiggle by Doreen Cronin. His unique style has also bounced around with such high-profile publications as the New York Times and Time. He lives with his wife and daughter in New York and teaches at the Pratt Institute graduate school.