The letter

When a genius prodigy child, Sherlock Holmes gets a letter from a mysterious school, claiming that he was a 'wizard', he promptly discards it as silly prank from his neighbouhood kids. But his parents seem to know what exactly was it. From the wonderful Diagon Alley to the improbable platform 9 and 3/4 and the illustrious school of witchcraft and wizardry itself, Sherlock Holmes now has apparently found a new home. And some new friends.