Harry Potter Has Never Even Heard Of Hogwarts When The Letters Start Dropping On The Doormat At Number Four, Privet Drive. Addressed In Green Ink On Yellowish Parchment With A Purple Seal, They Are Swiftly Confiscated By His Grisly Aunt And Uncle. Then, On Harry's Eleventh Birthday, A Great Beetle-Eyed Giant Of A Man Called Rubeus Hagrid Bursts In With Some Astonishing News: Harry Potter Is A Wizard, And He Has A Place At Hogwarts School Of Witchcraft And Wizardry. An Incredible Adventure Is About To Begin!