Q: I have AudioBooks that I burned from CD's when I attempt to listen to those books using home share they will not play. Can someone help me figure this out?

I have a bunch of Audiobooks that I have ripped from AudioBook CD's. I would like to listen to these books using Home Sharing in iTunes. The audiobooks show up, but when I select the books nothing happens. No sound no error message, nothing. A few play and others don't. Any ideas?