Elijah Wald es escritor y m�sico con veinte a�os de experiencia reportando sobre los or�genes musicales y sobre la m�sica misma en diferentes regiones del mundo. Fue escritor y asesor para el proyecto de m�ltiples medios del Instituto Smithsonian llamado The Mississippi: River and Song (El R�o Mississippi: el r�o y su m�sica), y tambi�n recibi� un premio por la biograf�a Josh White: Society Blues (Josh White, Blues de la Sociedad). Una sobrevista de su obra se puede conseguir en elijawald.com.Elijah Wald is a writer and musician with twenty years experience covering roots and world music. He was writer and consultant on the Smithsonian multimedia project The… Mississippi: River of Song, and is the author of the award-winning biography Josh White: Society Blues.Paul Showers wrote twenty books for the Let's-Read-and-Find-Out Science series, including favorites such as What Happens to a Hamburger? and Where Does the Garbage Go? Mr. Showers worked on the Detroit Free Press, the New York Herald Tribune, and for thirty years, the Sunday New York Times.
Holly Keller is the author-illustrator of more than thirty-five books for young children including the Horace books, Farfallina and Marcel, Help!, and Grandfather's Dream. She has also illustrated over twenty nonfiction titles written by others including the Let's-Read-and-Find-Out Science Books series. She won the 2003 Charlotte Zolotow Award.