Not for the original poster but others that don't mind computer downloads. I have gotten some good books off
http://podiobooks.com/ if you like the book you can make a donation. I also subscribe to a bunch of pod casts some are serial books others are short standalone shows that I stack up.
I'm starting to switch over from MP3 Cds to thumb drives know that I have a radio that does both. Working out a system to find things when you may have a dozen or more books on one thumb drive is still under refinement.