Alma Flor Ada is an internationally published children's book author. She is the recipient of several prestigious honors, including the Pura Belpré Award, the Christopher Award, the José Martí World Award, and the Museum of Tolerance Award. She lives in Lucas Valley, California.

Alma Flor Ada es una autora de libros para niños reconocida y publicada internacionalmente. Ha recibido varios premios prestigiosos en Estados Unidos, entre ellos, el Pura Belpré y el José Martí.

Viví Escrivá's watercolors have been called “brilliant” and “beautiful” by School Library Journal. She has collaborated with Alma Flor Ada on numerous books, including The Empty Piñata and In the Cow’s Backyard.

Viví Escrivá es la aclamada ilustradora de libros para niños, como My School/Mi Escuela, The Empty Piñata y ¡Pío Peep! Sus acuarelas han sido elogiadas por School Library Journal por su "brillo" y "belleza". Ella vive en España.

F. Isabel Campoy is a poet, playwright, songwriter, and storyteller. She has authored numerous children's books, both in English and Spanish, on the art and culture of the Hispanic world.

F. Isabel Campoy es una poeta, drama-turga, compositora de canciones y narradora de cuentos. Ha escrito una gran variedad de libros para niños en inglés y en español.

Alice Schertle is the acclaimed author of many children’s books, including William and Grandpa, recipient of the Christopher Award. Her poetry has been called “witty” (Kirkus Reviews), “vivid” (The Horn Book), and “unique” (ALA Booklist).