José Sanabria is a Colombian illustrator based? in Argentina. He studied graphic design in Bogotá and illustration in Buenos Aires. His works have been exhibited at the Biennale of Bratislava, at the Bologna Children’s Book Fair, and in other collective exhibitions in Argentina, Italy, Germany, and Poland. He is also the author of As Time Went By, which was a 2016 a Batchelder Honor selection.

María Laura Díaz Domínguez was born in Buenos Aires, Argentina. She is a graphic designer and writer. She also illustrates and designs books. She has won numerous prizes and awards in storytelling and poetry competitions.