My Sister SifUnknown - 1991
Fourteen-year-old Riko manages to get her delicate older sister Sif and herself to their remote Pacific island home, where an American scientist who falls in love with Sif and discovers her connection with an underwater race creates complications in Riko's life.
Publisher: New York, N.Y., U.S.A. : Viking/Penguin Group, 1991.
Edition: First American edition.
Copyright Date: ©1986
Characteristics: 180 pages ; 22 cm