Harry Potter and the Philosopher's Stone

We all know the original story, ten-year-old Harry Potter, the orphan who lives in the fictional London suburb of Little Whinging, Surrey, with his aunt and uncle and spoiled cousin. Then one day, a half-giant showed up telling him that he had a spot at Hogwarts School of Witchcraft and Wizardry. But what would have happened if Sirius Black and Remus Lupin had raised him. What if