Why would anyone forge C.S. Lewis's signature? It turns out, there is a thriving market for used and rare books by Lewis, J.R.R. Tolkien, and the other Inklings. Indeed, collectors pay thousands of dollars for a signed copy! Crystal and David sit down with Stan E. Shelley, of Shelley and Son Books, to learn about forged signatures and the fascinating world of rare books. Stay tuned until the end to hear an excerpt from an unpublished letter by Joy Davidman about falling in love with C.S. Lewis.