Elmo's Merry Christmas/Oscar's Grouchy Christmas (Sesame Street)

Christy Webster edits and writes books for kids as part of her job in the editorial department of a major New York children’s book publisher. She is a big fan of popular culture and has a great eye for quirky illustration styles. Among her titles are A is for Awful: A Grumpy Cat ABC Book, Big Fish, Little Fish, and I Can Be a Ballerina. She lives in Queens, New York.

Joe Mathieu has illustrated countless books for children, including Big Frank’s Fire Truck, Sesame Street titles, books in the Cat in the Hat’s Learning Library series, and many more.