Maite Carranza (Barcelona, 1958), is a scriptwriter and author and has published more than fifty titles, winning important literary prizes, including the Premio Cervantes for children, the Premio de la Crítica Serra d'Or, the Premio EDEBÉ for Children's Literature and the one for Youth Literature and the Premio Nacional. Her works have been translated into more than twenty-five languages. Highlights include the successful fantasy series La guerra de las brujas (The War of the Witches) and the award-winning thriller Palabras envenenadas (Poisoned Words). This novel, Sisters, Dogs, Geeks and Other Specimens, was a composition for four hands, written in tandem with her daughter Júlia Prats - an experience that was creative, fun and fascinating. Júlia Prats (Barcelona, 1986) has a degree in Psychology. She has worked as a photographer and screenwriter and has participated in several documentary projects. This is her first novel.