Jennifer Berne is the author of several acclaimed nonfiction picture books, including Manfish: The Story of Jacques Cousteau, Look Up with Me: Neil deGrasse Tyson: A Life Among the Stars, On a Beam of Light: A Story of Albert Einstein, How the Sea Came to Be: And All the Creatures In It, and the first in the Number Tour series, A Tour of the Human Body: Amazing Numbers—Fantastic Facts. Her work has made the Kirkus Best Picture Books list, the Junior Library Guild Main Selection list, and received several starred reviews from Horn Book, Publishers Weekly, School Library Journal and many others.

Dawn DeVries Sokol is an author, illustrator, professional art journaler, and designer of books. Her book Doodle Diary sold more than 150,000 copies. She has written and illustrated 12 nonfiction books for major publishers as well as a trio of board books for children. Dawn teaches her art journaling methods and techniques online, and her artwork has been exhibited in books, on websites, and in galleries around the world.