María del Mar Rodríguez was born in Caracas in 1961. Her parents were from La Palma, and emigrated to Venezuela but returned to La Palma after two years, where their daughter grew up.

(Caracas, 1961). É filha de pais nascidos em La Palma que imigram para a Venezuela mas regressam para sua cidade natal quando a autora tem dois anos, e é nessa ilha que passa sua infância e adolescência.

The author is professor and chair of psychopedagogy at the Paculty of Psychology and Education of the University of Deusto. Since 1978 she has provided training in psychopedagogical guidance and diagnosis of children and teenagers.

María del Carmen Gómez Gómez (Salamanca, 1979) studied special needs education, speech-language & hearing, and children's education, and has a degree in pedagogy. She also has a Master's degree in the education of people with sensory disabilities.