Katia Klein has been a professional actress for over 15 years. She has appeared in popular TV Spanish TV series including Tell me what’s going on (Cuéntame qué pasa) and Love is forever (Amar es para siempre) as well as in theatre and films. She is a self-taught artist who has shown her work in a variety of spaces. Her books include Lea and the birds (Mamut), Peanut and a half (Mamut), A different fairy, along with Ismael Serrano (Hoy es siempre Ediciones) and Daddy-childeater, with Marisa López Soria (Galimatazo). Rut Pedreño (Valladolid, 1996) is an illustrator and cartoonist who graduated in Fine Art from the Complutense University of Madrid in 2018. She received the Domestika Scholarship in 2018, was winner of the Espacio en Blanco open call from the Valladolid youth space in 2019 and her work was recently selected for the XII Ibero-America Ilustra Catalogue organised by the Guadalajara International Book Fair.