Stations of the Tide

Blurb

Stations of the Tide is a science fiction novel by American author Michael Swanwick. Prior to being published in book form in 1991, it was serialized in Isaac Asimov's Science Fiction Magazine in two parts, starting in mid-December 1990.
It won the Nebula Award for Best Novel in 1991, was nominated for both the Hugo and Campbell Awards in 1992, and was nominated for the Arthur C. Clarke Award in 1993.