1989 - Orion's Sword [Future at War, Vol 3] (Paperback) ISBN-13: 9780671698072 ISBN-10: 0671698079 Genre: Science Fiction & Fantasy 3 1988 - The Spear of Mars [Future at War, Vol 2] (Paperback) ISBN-13: 9780671654238 ISBN-10: 0671654233 Genre: Science Fiction & Fantasy 4 1988 - Thor's Hammer [Future at War, Vol 1] (Paperback) ISBN-13: 9780671653941 ISBN-10: 0671653946 Genre: Science Fiction & Fantasy 5 1980 - Orion's Sword [Future at War, Vol 3] (Paperback) ISBN-13: 9780441259724 ISBN-10: 0441259723 Genre: Science Fiction & Fantasy ? 1980 - The Spear of Mars [Future at War, Vol 2] (Paperback) ISBN-13: 9780441259717 ISBN-10: 0441259715 Genre: Science Fiction & Fantasy 2 1975 - Science Fiction Today and Tomorrow a Discursive Symposium (Paperback) ISBN-13: 9780140039214 ISBN-10: 014003921X Genres: Literature & Fiction, Science Fiction & Fantasy 1 |