1.
Time Travel: A Guide to Journeys in the Fourth Dimension
by Macvey, John W.
ISBN: 9780812885354
List Price: $9.95
4.
Interstellar Travel: Past, Present and Future - John W. Macvey - Paperback
by Macvey, John W.
ISBN: 9780380413683
List Price: $2.25
5.
Where Will We Go when the Sun Dies? - John W. Macvey - Hardcover
by Macvey, John W.
ISBN: 9780812826982
6.
Space Weapons - Space War - John W. Macvey - Hardcover
by Macvey, John W.
ISBN: 9780812825794
List Price: $9.95
9.
Interstellar Travel Past, Present, and Future
by Macvey, John W.
ISBN: 9780812822786
List Price: $25.00
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Interstellar Travel Past, Present, and Future
by Macvey, John W.
ISBN: 9780812885231
List Price: $24.95