Guillermo Barrantes was born in Buenos Aires in 1974. His stories are part of numerous anthologies and Tierra Virgen, one of the narrations that integrates this book, earned him a Mention of Honor by the Argentine Circle of Science Fiction and Fantasy in 1998.

It is Author of the novel l temponauta – Enrique Enríquez y el secreto de San Martín and the collection of juvenile books Laberinto. He wrote, in addition, in co-authorship with Victor Coviello, the saga of books Buenos Aires es leyenda. He is currently a columnist in the children's magazine PIN de Caras y Caretas.

In addition, as an audiovisual producer, he wrote and directed Estornudo Mariposa, a short film winner of the 1st. Festival of Audiovisual Media Leonardo Favio. He is also author of the cinematographic script of the new film by the Argentine director Sergio Mazurek.