Lily POV I was just getting the mail when a postman comes up to me. He greets me, gives me a letter and heads on his way. I am very curious about who sent me the letter. I slit the envelope and inside, I can see Petunia's handwriting. I take the folded letter out and read it: Dear Lily, I was reading the potion book you bought me and I was very interested in the Sleeping Draught. I think it wou...