El caballero fantasma / Cornelia Funke ; ilustraciones de Friedrich Hechelmann ; traducción del alemán de Carlos Fortea. [Boundless electronic resource]
Jon Whitcroft is upset that his mother has sent him to boarding school in Salisbury. Now he must live in a cold old place, with strange people, and even has to share a room. Everything changes when one night outside his window there are three ghosts that will kill him. Fortunately, also studying at Salisbury is Ela, a brave girl who, in addition to believing in ghosts, will tell him how to awaken the only ghost that can help him to put an end to the hunt: William Longspee.