dividing audio into tracks

Hi, I just downloaded an audiobook, two hours, one track.
I would like to divide it into many tracks without changing it’s form, so when I burn it to a cd it’s no longer one long track.
How do I do this?

See this page from the Audacity Wiki: http://audacityteam.org/wiki/index.php?title=Splitting_recordings_into_separate_tracks