This teacher searches for forgotten mementoes left between the pages of used books -- and ...

Many weekends, high school teacher Emma Smreker can be found searching for treasure. Not at the bottom of the sea -- but at the bottom of bookshelves. In her search, she hopes to unearth forgotten mementoes left between the pages of used paperbacks at her local book store or thrift shop. She often finds old plane tickets, business cards or receipts hastily used as bookmarks -- small clues that tell a story about the book's previous owner. But occasionally she strikes gold and finds a poem writte