I'm completely out of my element and I'm looking for suggestions. I want to rip all my wife's CD's to her system or to our home server but I'm not really sure which codec/format to convert the files ...

I want to convert a CD to MP3 but I'd like to make one MP3 file for the entire CD. (It's an Audiobook that spans 26 CDs and I don't want to have to deal with 700-ish individual tracks.) I'm on a Win7 ...