_Mortality Bridge_ by Steven R. Boyett is on sale on the Amazon Kindle and probably other places --- I remember his _Ariel_ w/ fondness, and _Elegy Beach_ was a thoughtful and thought-provoking read.
https://www.amazon.com/gp/product/B00J5X5NVE
probably available other places as well.
He's written EDIT: at least one other book, _Fata Morgana_