Dr. Joanne Settel is an award-winning writer of science books for children, including Your Amazing Skin from Outside In and Your Amazing Digestion from Mouth Through Intestine. Dr. Settel’s book Exploding Ants: Amazing Facts About How Animals Adapt was listed as one of the Outstanding Science Trade Books for Students K–12 by the Children’s Book Council. Dr. Settel has a PhD in biology. She is a professor emeritus at Baltimore City Community College, where she taught courses in biology, anatomy, and physiology. She lives with her husband in Maryland, where she enjoys hiking, playing bridge, and gardening. Visit her online at JoanneSettel.com.
Bonnie Timmons drew the animations for NBC’s long-running hit show Caroline in the City. Timmons and the sitcom won an Emmy for the graphics. Her work has also appeared in The New York Times, Time magazine, and other national magazines and newspapers, in addition to major ad campaigns and a range of books including titles from the American Girl library. She lives on a small horse farm in Pennsylvania with her husband, horses, dogs, cats, fish, chickens, and chicken-fed foxes. She has lots of skin, and even more freckles. Visit Bonnie online at BonnieTimmons.com.