Daniel Nesquens was born in Zaragosa in 1967. His literary career began in 2000 with Seventeen Stories and Two Penguins (Anaya).

Daniel Montero Galán was born in Madrid and specialises in children's illustration. His watercolour drawings are characterised by their spontaniety and imagination. The characters he creates or brings back to life are brilliantly enigmatic, full of colour and expressiveness. 

Daniel Mateo Campoy is a graduate of Sociology and an advanced technician in Marketing.

Daniel Martín (Las Palmas de Gran Canaria, 1970) is a teacher and educational psychologist. A writer and narrator, he gives courses on animating reading, story telling in schools, school libraries and other topics related to the development of reading skills.