Paula Merlán was born a sunday morning in Spain. After graduating in Law, she sook her vocation as an educator, graduating in Education years later. Her lessons in reading encouragement got her to start creating stories, and in 2012 she published her first picture book, while also winning the Children's Books Without Borders Contest by Otxarkoaga with her ¿Conoces la magia de Marit?, a book published in Braille in collaboration with ONCE (National Organization of Spanish blind people). She also obtains a Special Mention in the Casila Ordólez Children's Books Contest for her Virtuoso Melodías. She currently teaches first grade, and has published ten books, some of them in multiple languages.

Sonja Wimmer is a renowned international illustrator. Her books are among the most best-selling in Europe. In the USA She has received the Independent Publisher Book Award, the International Latino Book, and she was two times winner of the Moonbeam Children's Book Awards. Her book Bogo the Fox Who Wanted Everything is a Junior Library Guild Selection.