Sam expected a new phone for her birthday. Instead, she got an old leather diary that was supposed to be some kind of heirloom. So, she wrote something snarky in it about the really, really great gift and tossed it aside. What was even the point of all those blank pages and no keyboard? Later, she noticed someone else was writing in the diary every day. First, she thought it was her dad, who gave her the awesome gift in the first place. He was...