This is Hugo-Award-winning author C.J. Cherryh's Del Rey debut--the story of Rusalka, the ghost of a murdered girl still seeking to exist by drawing the energy of life from all nearby living things, and the attempt to bring her back to life by her father Ulamets, and Pyetr, the young man who loved her.
Used availability for C J Cherryh's Rusalka
March 1991 : UK Hardback
May 1990 : UK Hardback
October 1989 : USA Hardback
September 1990 : USA Mass Market Paperback
August 1990 : UK Paperback