Heather Lang is the coauthor of the Animal Heroes series, the first of which, Supermoms!, was a Bank Street College Best Children’s Book of the Year. She is also the author of The Leaf Detective: How Margaret Lowman Uncovered Secrets in the Rainforest, illustrated by Jana Christy, and Swimming with Sharks: The Daring Discoveries of Eugenie Clark, illustrated by Jordi Solano. She lives in Massachusetts.

Jamie Harper is the coauthor and illustrator of the Animal Heroes series, the first of which, Supermoms!, was a Bank Street College Best Children’s Book of the Year. She is also the author-illustrator of four books about the feisty flamingo teacher Miss Mingo as well as the Baby Bundt board books and the picture books Miles to Go and Miles to the Finish. She lives outside Boston.