The Russian Stories, also known as the Russian Series, the Russian Trilogy and the Rusalka Trilogy, are a series of fantasy novels by science fiction and fantasy author C. J. Cherryh. The stories are set in medieval Russia along the Dnieper river, in a fictional alternate history of Kievan Rus', a predecessor state of modern-day Russia, Belarus and Ukraine. The three books in the series are Rusalka (1989), Chernevog (1990), and Yvgenie (1991). Rusalka was nominated for a Locus Award in 1990.

Rusalka is a fantasy novel by American science fiction and fantasy author C. J. Cherryh. It was first published in October 1989 in the United States in a hardcover edition by Ballantine Books under its Del Rey Books imprint. Rusalka is book one of Cherryh's three-book Russian Stories trilogy set in medieval Russia in forests along the Dnieper river near Kyiv in modern-day Ukraine. The novel draws on Slavic folklore and concerns the fate of a girl who has drowned and becomes a rusalka. It is also an exploration of magic and the development of a young wizard.