Judy Hawes is the author of several other Let's-Read-and-Find-Out Science Books, including Why Frogs Are Wet, illustrated by Don Madden, and My Daddy Longlegs, illustrated by Walter Lorraine. She lives in Glen Rock, NJ.
Ellen Alexander is the author-illustrator of Llama and the Great Flood, a picture book set in the Peruvian Andes. She lives in Ithaca, NY.