Superbly narrated by Scott Brick.
What I like best about Whipping Star are the conversations between McKie and the Caleban, and I like them for the same reasons that I like reading philosophy - they explore the difficulty of communicating about abstract concepts and the grounds of existence and experience.
These conversations are set in a storyline that bears a certain resemblance to a police procedural. It takes place in a universe where a variety of different "sentients" interact.
Herbert does a good job of creating actually alien aliens and exploring how they interact and manage to work together.
The sexual politics aren't so great. There is a powerful female character in the book, but she is a vain, sadistic villain. The only other character in the book who is identifed as female is the Caleban, but Brick gives her a male voice. Given how the Calebans communicate, this makes a certain amount of sense and it works for me, but it does leave only one female character, at least for the audio version.
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Other stuff I've listened recently:
"Where Angels Fear to Tread," a Hugo-winning time-travel novella by Allen Steele. I enjoyed it. He expanded it into a novel called Chronospace, which I have heard is not very good.
"3:10 to Yuma," a short story by Elmore Leonard. I found it forgettable. I enjoyed the recent movie based on it. The movie expands the story considerably.