When Tom Swift and his crew jump back from the Alpha Centauri system through hyperspace to the Earth's galaxy, they are captured by their arch enemy David Luna and taken prisoner aboard his astral fortress.
- ISBN10 0671433857
- ISBN13 9780671433857
- Publish Date 1 January 1981
- Publish Status Active
- Publish Country US
- Imprint Wanderer Books
- Format Hardcover
- Pages 191
- Language English