Whitney Stewart is an award-winning author, and the author of Who Was Walt Disney?, which is part of the Who Was?... New York Times bestselling series. When not writing or traveling, she teaches mindfulness and meditation to children. Learn more about Stewart at whitneystewart.com.

Christiane Engel is an award-winning illustrator and children's book writer. She loves creating quirky characters, map illustrations, and using her own hand-lettering in her projects across publishing and advertising. She lives by the sea in South East England with her family. Learn more about Engel at chengelillustration.com.