José Guadalajara. Phd in Hispanic Philology and a Language and a Literature teacher. He writes historical novels set in the medieval world: Signum (2004) and Testamentvm (2005). The foremost characteristics of these books are the historical precision, the suspense, and an impeccable style. He also has written La reina de las tres muertes and La maldición del rey sabio that will be published in 2009.