@NC-RetiredThe series Variation on a Theme by Grey Wolf one of the major factors is the existence of Souls, and a Supreme Being. The MC was an agnostic, with a conservative Christian upbringing; but joined the Unitarians later in life. He experiences things that cause him to believe in a "Soul" or something like that; but not have definitive answers.
I am a believer, a Christian, but perhaps unconventional. The author seems to believe similar to his MC something like an agnostic/diest. Yet his story is excellent for posing a variety of morality tales and matters to consider. Wrapped in a well written and entertaining story!
While the MC and other characters discuss Souls, there is no definitive answer in the story, and may never be.
Still, I think this may be the best story on SOL that features souls as a major plot point.
https://storiesonline.net/s/20679/variation-on-a-theme