Michael Poole's wormholes constructed in the orbit of Jupiter had opened the galaxy to humankind. Then Poole tried looping a wormhole back on itself, tying a knot in space and ripping a hole in time.
- ISBN10 0061056944
- ISBN13 9780061056949
- Publish Date 15 May 1996 (first published 4 July 1994)
- Publish Status Out of Stock
- Publish Country US
- Publisher HarperCollins Publishers Inc
- Imprint HarperCollins
- Format Paperback
- Pages 512
- Language English