David A. Adler is a former math teacher and author of more than two hundred picture books, biographies, and mysteries for children, including the Cam Jansen series and his Picture Book Biography Of... series. His series of math books, illustrated by Ed Miller, have received numerous starred reviews and been named Bank Street Best Children’s Book of the Year and Junior Library Guild selections. He lives in Long Island, New York.
Ed Miller is a New York based illustrator and designer who specializes in children’s book illustration and product design. He loves to make concepts clear to kids and has demonstrated that in his many nonfiction books. Follow him on Instagram @edelementary.