E-book – m4b format (see details)
These audio files (m4b format) will play on your computer using VLC, Quicktime, etc. (apprx. 350 megabyte). They will, likely, not play in you car if burned to a CD. For listening in a car, see the mp3 version (below).
E-book – mp3 format
This is a large download (apprx 600 megabyte). The files will not fit on a CD but could be burned to a DVD for listening in your car. Also, they can simply be played on your computer.