Millard, Anne, author. Barnett, Russell, illustrator.

Williams, Brenda, 1946- author. Williams, Brian, 1943- author. Ager, Charlotte, illustrator.

Flynn, Sarah Wassner, author. National Geographic Kids (Firm), publisher. National Geographic Society (U.S.).

Clarke, Ginjer L., author.

Cooper, Elisha, author, illustrator. Roaring Brook Press, publisher.

Drimmer, Stephanie Warren, author. National Geographic Kids (Firm), publisher. National Geographic Society (U.S.).

Guinness World Records Limited.

Gidding, John, author.

Bunting, Philip, author, illustrator.

Fowler, Cary, author. Tefre, Mari, photographer. Richardson, Jim, 1947 December 5- photographer.

Levy, Debbie, author. Boersma, Alex, illustrator.

Grove, Tim, 1967- author.