When humans find a way to travel back in time to prehistoric days, the greatest predator of one age, T-Rex, encounters the most efficient killer of another, future age: man.
- ISBN10 0812535308
- ISBN13 9780812535303
- Publish Date 15 January 1994
- Publish Status Out of Print
- Out of Print 12 January 2024
- Publish Country US
- Imprint Tor Books
- Format Paperback
- Pages 224
- Language English