Elizabeth Verdick has written more than thirty books for toddlers to teens. She collaborated with Marc Rosenthal on Small Walt, which Kirkus Reviews called "reminiscent of Virginia Burton’s classics" in a starred review; and its sequel, Small Walt and Mo the Tow. She is also the author of Bike & Trike, illustrated by Brian Biggs. She is a graduate of the Hamline University MFA program and lives in Woodbury, Minnesota.

Marieka Heinlen launched her career as a children's book illustrator with the award-winning Hands Are Not for Hitting.

As a freelance illustrator and designer, Marieka focuses her work on books and other materials for children, teens, parents, and teachers. She lives in St. Paul, Minnesota, with her husband and son.