Brenda Z. Guiberson is the author of many books for children, including When I Was a Turkey, The Deadliest Creature in the World, Frog Song, Life in the Boreal Forest, Moon Bear, The Emperor Lays an Egg, and the bestselling Cactus Hotel. She also wrote Feathered Dinosaurs, illustrated by William Low. She lives near Seattle, Washington.
William Low is the author and illustrator of Daytime Nighttime, Machines Go to Work, and the New York Times Best Illustrated Book Old Penn Station. He has illustrated numerous other books for children, including Feathered Dinosaurs, written by Brenda Z. Guiberson. He teaches at the Fashion Institute of Technology in New York City.