1995 - Mars Plus [Man Plus, Bk 2] (Paperback) → Hardcover ISBN-13: 9780671876654 ISBN-10: 0671876651 Genre: Science Fiction & Fantasy 4 1994 - Mars Plus [Man Plus, Bk 2] (Hardcover) → Paperback, Hardcover ISBN-13: 9780671876050 ISBN-10: 0671876058 Genre: Science Fiction & Fantasy ? 1988 - An Honorable Defense [Crisis of Empire Bk 1] (Paperback) ISBN-13: 9780671697891 ISBN-10: 0671697897 Genre: Science Fiction & Fantasy 9 1987 - First Citizen (Paperback) ISBN-13: 9780671653682 ISBN-10: 0671653687 Genre: Science Fiction & Fantasy 3 |