Shadow of the Past (Heir of Darkness, Book 1)

Harry Potter did not have a happy childhood. Harry Potter did have snakes, however, and that was almost enough. Until he met a mysterious man with strange powers, one who could also converse with snakes and was glad to introduce Harry to his true heritage as a Wizard, and as an Heir of Slytherin. [Updates paused for editing; should resume 1st quarter 2018.]