Title: The mystery of the locked room
Author: Emilio Calderon
This book is about a boy named Bruno who is a young man who just arrived in London for a postgraduate course in Psychology. In London, he meets a girl named Heaven who has a serious problem: his life is tied indirectly to that of a serial murderer named Jack the Clean, whose crimes cruelty competed in the famous Jack the Ripper in the late XIX. Bruno try to conquer Heaven solving the case of Jack the Fair. But to achieve this, besides providing all your skills as a psychologist, will face the enigma hidden in the family mansion of the young.