McIntyre, Vonda N. The Moon and the Sun
Divergence: 1693 CE
What if: It was discovered that merfolk really existed.
Summary: In the fiftieth year of the reign of Louiz XIV, the Sun King, a captured "sea monster" was brought to the court of Versailles, where it is left in the care of a young woman innocent in the ways of court politics and manners.
Published: Pocket 1997 (0671567659BUY), 1998 (0671567667BUY); Thorndike 1998 (0786215917).
— Excerpt "The Sea Monster's Song", in Odyssey #1.
Original in: English.
Translation: French by Jacques Guiod as La Lune et le Roi-Soleil, J'ai lu 1999 (2277260126).
Translation: Japanese as [[title unknown]], Hayakawa 2000 (4150112983, 4150112991).
Awards: Winner: 1997 Nebula for best novel.