Moldovo, Eustacia, author. Murphy, Patricia J., 1963- author.

Chapman, Sital Gorasia, author. King, Steph (Primary mathematics education adviser), consultant. Rumiz, Susanna, illustrator.

Turner, Tracey, author. Poskitt, Kjartan, author. Cushley, Aaron, illustrator.

McInerney, Joanna, author, editor. Boston, Paul, artist.

Fishman, Seth, author. Greenberg, Isabel, illustrator.

National Geographic Society (U.S.).

Adler, David A, author. Miller, Edward, 1964- illustrator.

Murphy, Stuart J., 1942- author. Bellón, Teresa, illustrator.

Hveberg, Klara, author. Gundersen, Karen, narrator.

Kaku, Michio.

Harris, Robie H., author. Chatterton, Chris, illustrator.

Becker, Helaine, author. Tremblay, Marie-Eve, illustrator.