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| Author/Contributor(s): |
Dixon, Franklin W.
|
| Publisher: |
Grosset & Dunlap
|
| Date: |
1/1/1970
|
| Binding: |
Hardcover
|
| Condition: |
NEW
|
Frank and Joe Hardy become involved in a case affecting national security when Joe dials a wrong telephone number and gets the Pentagon. Two words— “Bombay Boomerang”— that the boys hear before the line goes dead plunge them into a whirlpool of danger and intrigue. At the same time, Frank and Joe must save their father from a murderous gang stealing mercury shipments in the Baltimore harbor. With clues linking the mercury thefts to the top secret Super S missile mysteriously stolen from a government arsenal. In a race against time, the three Hardys foil a diabolical scheme to create widespread havoc in the United States.
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