The Graveyard Book by Neil Gaiman

Winner of the Newbery Award 2009. As a toddler, Bod's entire family is murdered. He wanders out of the house and escapes. He ends up in a nearby graveyard where he is adopted and protected by the ghosts and witches buried there. He is adopted by a husband and wife ghost who always wanted to have children. A vampire becomes his guardian and a werewolf his tutor. He is educated by the entire graveyard and learns the ways of the dead. He meets only one other human, a girl named Scarlett, who becomes his friend. He is captured by ghouls and makes friends with a witch. As he gets older, he wants to attend school, but finds that his life is in danger. The man Jack who killed his family is still after him. Eventually, Jack finds him and tracks him to the graveyard where the ghosts and witches help him to destroy Jack and his friends. When he becomes 15, he loses his powers to converse with the dead and enters the world of the living.