I sold most of them after I was done with them, usually for a tiny fraction of what I paid. A few retained value well. At the time, I didn't expect to ever wan

I sold most of them after I was done with them, usually for a tiny fraction of what I paid. A few retained value well. At the time, I didn't expect to ever want the books again, but after a few years, I wished I had kept some that I got rid of.