Harry thinks whoever it was must have been looking for the other half of the letter. Hermione notices that someone must have searched the room before they did.Harry is interrupted by Ron and Hermione, who are in a panic because they woke up and couldn't find him.Instead, he finds a photograph of himself as a child, zooming around on a toy broomstick that was Sirius's birthday present to him. He searches urgently for the rest of the letter, which was cut off, but can't find it. In her letter, Lily mentions Bathilda Bagshot (remember, we heard about her in the Rita Skeeter article – she apparently dished some dirt on Dumbledore).They include a letter to Sirius from Harry's mother, Lily, which relates the events of Harry's first birthday. He finds some papers scattered around.Among them is a photograph of Sirius, Lupin, Peter Pettigrew, and James Potter. Harry explores the rest of the house to take his mind off things, and ends up in Sirius's room, still full of his adolescent artifacts.He mulls over the mystery of Dumbledore – who was the man, really? What dark secrets was he hiding? What hadn't he told Harry? The next morning, Harry wakes up before anyone else.