Carmen Gil Martínez (Cádiz, 1962) is a Spanish writer and Literature teacher who writes and illustrates stories, theater and poetry for children. She began publishing books in 2003, date from which more than 90 of her works have been published, many of them translated into various languages, apart from all those of the Spanish territory. She specializes in children's literature, work that she shares with teaching and cultural animation for children. She has carried out theater projects, puppets, storytelling, dance workshops, etc. She teaches poetry courses in primary schools. She gives talks to encourage reading for families and teachers. She collaborates with various institutions (Instituto Cervantes, Centro Andaluz de las Letras, Autonomous Governments, Universities ...) giving some conferences and holding meetings with readers. In 2011, the Junta de Andalucía awarded him the Gold Medal of Merit in Education for his work to encourage reading.

Marta Munté is an award-winning illustrator of children's stories based in Barcelona. Since 2004, she has illustrated several textbooks and picture books for Spanish publishers and for French publishers such as Milan Jeunesse and Retz. She also collaborates occasionally in the children's magazine Tatano. She has participated in various group exhibitions in Germany and Spain. Her illustrations were selected for the illustrators' exhibition at the Bologna Children's Book Fair in 2005.