I personally really enjoy listening to the 7sage podcast. Lots of great interviews from past high scorers and broad-strokes LR strategies. Not an audiobook as per your post, but I highly recommend.
I second the suggestion for the 7Sage Podcast and Thinking LSAT Podcast. I listen to them all the time: they're both entertaining, free, and informative!
I loved the Podcast. Before the Podcast there were multiple interviews with high scorers on Youtube and watching those was what actually inspired me to join 7Sage in the first place.