Michael Teitelbaum is the author of The Very Hungry Zombie, The Very Thirsty Vampire, and hundreds of other children's books including young adult and middle grade novels, tie-in novelizations, and picture books based on characters, movies, and TV shows as varied as Spider-Man, Superman, Avatar, Teenage Mutant Ninja Turtles, Smallville, X-Men, Batman, Transformers, Garfield, and Kermit the Frog. His books include the sports series Backyard Sports, Weird Sports, Jackie Robinson: Champion for Equality, and The Scary States of America. He lives in Hobart, New York.

Jon Apple is an artist and illustrator. He is versed in every method and medium imaginable - from greeting cards to editorial cartoons; from posters to portraiture; from fine art to Photoshop. He is the illustrator for The Very Hungry Zombie and The Very Thirsty Vampire, and to echo the work and style of a legend like Eric Carle has been an honor and a privilege - and more fun than a grown man should be allowed to have. He lives in Bethlehem, Pennsylvania.