Old Mark Twain books

Jerry in Fl comments on arloandjanis.com: I've had my eyes open for old Mark Twain books for years and last week, after looking at so many old books that I was getting dizzy and had to sit down, I found two 1897, excellent condition (and signed by the way) books. I had never known that he wrote a fictional book about Joan of Arc. I'm almost afraid to handle them....