I had to finish the book on audio; I read 4/5 via a kindle (library loan that expired). The audio was painful with the final sermon in the alien language. I had a very hard time with the ending; I have listened to it 5 times and feel I still don't know what happened. Anyone clear it up for me??
This answer contains spoilers… (view spoiler)[Peter said goodbye to the Oasan congregants, leaving his bible behind. Grainger claimed to be planning her return to Earth, as well. Be a asked Peter to stay on Oasis where he works be safe, but he seemed determined to be with his wife and their unborn child. (hide spoiler)]