DEBBIE LEVY is the author of more than 25 books of nonfiction, fiction, and poetry for young people, including the award-winning Photo Ark ABC and the New York Times best seller I Dissent: Ruth Bader Ginsburg Makes Her Mark, winner of the Sydney Taylor Book Award and National Jewish Book Award.
JOEL SARTORE is an award-winning photographer and regular contributor to National Geographic magazine, and the founder of the National Geographic Photo Ark, a 20-year documentary project to fight global extinctions by photographing every animal species in human care. To date he has made portraits of 15,559 species.
