Triangle Sondra Marshak Triangle Sondra Marshak, Myrna Culbreath · 1991 First published 1 year earlier Save Continue from here
Prime Directive Judith Reeves-Stevens Prime Directive Judith Reeves-Stevens, Garfield Reeves-Stevens · 1990 First published 2 years earlier Save Continue from here
Strangers from the Sky Margaret Wander Bonanno Strangers from the Sky Margaret Wander Bonanno · 1989 First published 3 years earlier Save Continue from here
