And then Marvolo’s gone, back to work, and Harry’s alone in the bedroom, curled under the covers of their bed. He doesn’t think he’s sleepy and he’s still trying to catch up on "common’ knowledge so he summons a book of children’s stories that everyone knows: The Tales of Beedle the Bard. He thinks they might be like the Brothers Grimm or Disney movies, things Hermione or Dudley would know, but unlike those this is knowledge that Harry can catch up on.