Ohh... It reminds me of the way I lost a book. I was dating someone a long time ago and I let them borrow a signed first edition of a Rupert Sheldrake book, because we were trading books. For some reason she kept the book and I kept the dust jacket. Years later I found the dust jacket and I really wanted that book back but I had lost contact with her. Finally I was able to talk to her again and I asked for the book but never could get it back. Hmm.. Well that's certainly one way to find a book.