Jablonski, Nina G., author. McGee, Holly Y., author. Vermeulen, Karen, illustrator. Gates, Henry Louis, Jr., writer of foreword.

Chávez Castañeda, Ricardo, 1961- author. Magallanes, Alejandro, illustrator, book designer. Schimel, Lawrence, translator.

Theodorou, Rod, author. Tremblay, Marie-Eve, illustrator.

Guinness World Records Limited.

Aves, Edward, author. Davies, Ben Ffrancon, author. Dassu, A. M., author. Hassan, Clarisse, illustrator.

Anderson, Dave S., author. Fleischacker, Blake, author.

Rosenberg, Jane, author.

Baker, Laura (Children's author), author. Foster, Alex (Illustrator), illustrator.

Aberg-Riger, Ariel, author.

Pagani, Balthazar, 1975- author. Ozumi, Asuka, consultant. Vanni, Silvia, illustrator. Obata, Fumio, contributor. Fortes, Edward, translator.

Gee, Jessica, author. Gee, Garrett, writer of foreword. National Geographic Society (U.S.), publisher.

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