The Consuming Fire (The Interdependency, #2)

by John Scalzi

They thought of it as a river mostly because human brains, originally designed for hauling their asses across the African savannah and not much upgraded since then, literally could not comprehend what it actually was, so, fine, “river” it was.

The Church of the Interdependency and other religions found their places of worship jammed, as the faithful, the newly faithful and the not-actually-at-all-faithful-but-this-is-some-weird-shit-and-I’m-hedging-my-bets came in and, depending on experience, prayed, meditated or wondered what it was exactly they were supposed to do now that they were there.