I rarely give bad reviews but I have to make an exception. I like Brin as a writer and I listen to a lot of audio books. I can usually get into a book..Show More » even when the narration is not great. The narration here is impossible to listen to. Wilson has decided to read the alien voices, which make up most of the narration, with deliberately atonal intonation and random vocal emphasis. It may have seemed like a great idea at the time to convey alienness,, but after 20 minutes or so you lose total sense of what he is saying and the will to carry on. Just could not listen to it despite really wanting to hear this book. Shame. You have been warned.