The Hardy Boys tangle with an international terrorist killer and a secret government agency called the Network.
- ISBN10 0671672584
- ISBN13 9780671672584
- Publish Date 1 April 1987 (first published 1 January 1987)
- Publish Status Out of Print
- Out of Print 25 March 2015
- Publish Country US
- Publisher Simon & Schuster
- Imprint Pocket Books
- Format Paperback (US Mass Market)
- Language English