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. 
Betsy Lewin is the Caldecott Honor-winning illustrator of 
Click, Clack, Moo: Cows That Type and its sequels, including 
Click, Clack, Quack to School!; 
Click, Clack, Ho, Ho, Ho; 
Click, Clack, Peep; 
Click, Clack, Boo!; 
Giggle, Giggle, Quack; 
Duck for President; 
Dooby Dooby Moo; and 
Thump, Quack, Moo; in addition to a number of other picture books, including 
So, What's It Like to Be a Cat? and 
Where Is Tippy Toes?. She lives in Brooklyn, New York.