Inspectors Velarde and Alfaro must find what appears to be a serial killer. This hunt against the clock will make them realize something they'd never thought about: neither one of them is that different from the killer.
Antonio de la Torre,
Ten-year-old Nico receives a threatening letter and now his life is in danger. No one seems to believe him except one person that he doesn't know who has come to believe that fate itself wants the boy dead and tries to prevent it.
A warrior from the 16th Century, the first female university student from the 19th Century, and a paramedic from the 21st Century join a secret agency to prevent people from changing Spanish history using time-traveling doors.
Cayetana Guillén Cuervo,