After the kidnapping of the Hardy Boys' father, criminals hold New York City ransom under the threat of a city-wide fatal virus infection.
- ISBN10 094254546X
- ISBN13 9780942545463
- Publish Date 1 October 1988 (first published 1 July 1987)
- Publish Status Active
- Publish Country US
- Imprint Grey Castle Press
- Edition Large type / large print edition
- Format Hardcover
- Language English