Can Audiobook osts be ripped or are they embedded in the narration?

James Hannigan is credited for music on ALIEN: OUT OF THE SHADOWS and RIVER OF PAIN.

I assume this audiobook is mastered in stereo like any other CD... so yeah, the narration and music are joined together. You can try a phase inversion effect and maybe, if you're very lucky, the narration is mixed in the middle and you will end up with the music in mono.