Ledicia Costas was born in Vigo, Galicia in 1979. She made her literary debut with Unha estela no vento “A Star in the Wind” (1999), which was followed by O corazón de Xúpiter “The Heart of Jupiter” (2012), Recinto Gris "Grey Inclosure" (2014) and Escarlatina, a cociñeira defunta “Scarlet, a Deceased Cook” (2014), a book aimed to children and young adults which received all sorts of recommendations, such as the Merlin Prize, the Ferevenzas Prize, the Xosé Neira Prize, and has been included in the honors list of the IBBV (International Board on Books for Young People) for the two-year period of 2015-2016 and in October 2015, she received the National Prize for Children & YA Literature.
The "Escarlatina Universe" is still under construction. In 2016 she publishes Esmeraldina a pequena defunta "Esmeraldina, the Small Ghost" wich is the prequel of Scarlet, a Deceased Cook. She received the Lazarillo Prize 2015 for the novel Jules Verne e a vida secreta das mulleres plantas "Verne and the Secret Life of the Women Plants" and the Lazarillo Prize 2017 for the novel La balada de los unicornios (The Unicorns’ Ballad). She holds a law degree, although she is now dedicated exclusively to literature.