Lawrence Schimel writes in both Spanish and English and has published over 120 books as author or anthologist in a wide range of genres, including fiction, poetry, graphic novels and children's literature. He has twice won a Lambda Literary Award and has also won a Crystal Kite Award from the Society of Children's Book Writers and Illustrators and a White Raven from the International Youth Library in Munich. Three of his books have been chosen for IBBY's Outstanding Books for Young People with Disabilities. Lawrence is also a prolific literary translator. He lives in Madrid, where he founded the Spanish chapter of the Society of Children's Book Writers and Illustrators and served as Regional Advisor for five years.

Juan Camilo Mayorga is a graphic designer who graduated from the Universidad Nacional de Colombia, where he developed a special interest in illustration and art. He currently lives in a small town near Bogotá named Zipaquirá, where he develops his work as an illustrator of various editorial projects, such as picture books and illustrations for magazines, which have been published in Colombia, other countries in Latin America, and Europe.