Bea Enríquez worked between 2005 and 2010 with the Professional Association of Illustrators of Madrid and represented them on the judging panel for the 2008 Lazarillo Prize.

The author was born in Sevile in June 1972. She has a degree in fine arts from Seville and has had her oil paintings exhibited in Seville and, more recently, in Fuerteventura in the Canary Islands, where she won various painting prizes. She continues to paint in oils.

Beatriz Esteban Brau was born in Valencia in the winter of 1997 and grew up surrounded by literature and stories. She currently combines her studies in psychology at the Universidad de Valencia with a literary career and gives talks on literature and mental health in institutes and universities.

Beatriz Martín Vidal (Valladolid, 1973) studied at the University of Salamanca where she graduated with a degree in Fine Arts before specialising in illustration at the Escuela de Arte de Valladolid.

The author has a degree in Journalism from the Complutense University of Madrid. She takes part in seminars and activities to encourage reading and creative writing.

Beatriz Taboada (Zaragoza) has lived in Madrid for years. She has a degree in Social Work and works as an administrator but, while visiting bookstores with her children, she rediscovered children's and youth literature - although they always asked her for "made up stories".