Quim Español is an architect who also writes poetry, a field in which he has published Ultralight (Ultralleugers, Carles Riba Prize 1994), The tree of innocence (L'arbre de la innocència, first prize in the Floral Games 1998), 70 poems, Nadir and other nights (Nadir i altres nits) – the main poem

Pure-bred Malagueña and citizen of the world, in love with stories on both page and screen. She never stopped writing whilst practising as a lawyer, not even in her worst moments.

The author has a degree in health and clinical psychology from the Complutense University, Madrid. He has a PhD in education and is an expert in educational psychology and holds a masters in brief psychotherapy.

Rafa Sánchez was born in Aguilar de Campos, a very small town in Valladolid, but very soon was taken to Madrid. There she started to read and write and she later trained as a teacher. In 1995 she founded the Cháchara Cuentacuento group.

Rafael Jiménez was born in Barcelona. He is a detective inspector in the National Police Force and has also edited and co-authored two anthologies of the best cases undertaken by that force: Barcelona negra (Barcelona Noire; Planeta, 2009) and España negra (Spain Noire; Planeta, 2011).

Master's Degree in Books and Literature for Children and Young People from the Autonomous University of Barcelona.

Rafael Narbona taught philosophy at secondary level until his recent retirement due to illness.

Rafael Ordóñez Cuadrado was born in 1964 in Aguilar de Campos. He studied Teaching.

Rafael Reig (born Cangas de Onís, 1963) studied philosophy and literature at the Universidad Autónoma de Madrid and has taught literature at several North American universities. He is currently a bookseller, chess player and columnist for a number of publications.

Rafael Vallbona (Barcelona, 1960) is a writer and journalist. He is the author of sixty books spanning all genres: novels, essays, poems and travel books, some of which have been translated.