Harriet Ziefert has written many children's books for HarperCollins including "What's A Vacation?" and "When Will Santa Come, " both illustrated by Claire Schumacher, the Bear Boar Books, illustrated by Susan Baum, and "Scooter's Christmas, " illustrated by Rick Brown. Ms. Ziefert lives in New Jersey and Massachusetts. Simms Taback has collaborated with Harriet Ziefert on many HarperCollins children's books. Some of their titles include "Noisy Barn!, Zoo Parade!, " and the sticker book readers, "On Our Way to the Forest" and "On Our Way to the Water." Mr. Taback lives in New York City.
Jim Aylesworth is the author of more than twenty books for young readers, including "Old Black Fly" (an ALA Notable) and "My Son John" (both Holt). He lives in Hinsdale, Illinois, with his wife. Mavis Smith lives in Solebury, Pennsylvania.