David Bowles is a Mexican American author and translator from South Texas, where he teaches literature and Nahuatl at the University of Texas Río Grande Valley. Among his forty published books are the multiple-award-winning They Call Me Güero, Feathered Serpent, Dark Heart of Sky: Myths of Mexico, and The Prince & the Coyote, as well as the series Garza Twins, 13th Street, and Clockwork Curandera. He is the current president of the Texas Institute of Letters.

Charlene Bowles is a Mexican American comic artist and illustrator from South Texas. In addition to the Tales of the Feathered Serpent series, she has illustrated several readers for educational programs and designed the covers of multiple comics and books, including the Garza Twins series. She is presently writing her first children's book and graphic novel.