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Franklin W. Dixon
A noted professor accidentally invents a deadly virus, which the Hardys are transporting via train to a safe lab. When the professor's son is killed en route, Frank and Joe realize that one of the passengers is a spy--and would sell the lethal strain to the highest bidder.
| Publisher | Tandem Library |
|---|---|
| Search language | english |
| ISBN_10 | 0-613-06461-5 primary |
| ISBN_13 | 978-0-613-06461-3 primary |
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