Franklin W. Dixon
Author
Series
Hardy boys mystery stories volume 20
Pub. Date
[1970]
Description
After the new hydrofoil they are guarding is stolen, the Hardy boys face frequent danger in solving a mystery involving criminals who operate by signs of the zodiac.
Author
Series
Hardy boys mystery stories volume 15
Pub. Date
1996
Description
The Hardy boys and their father solve a mystery involving inexplicable crashes of highspeed race cars being used to test an experimental turbine motor.
Author
Series
Hardy boys mystery stories volume 47
Pub. Date
1968
Description
Helping in a case their father is working on, the Hardy brothers try to find an informer who has telephoned from a booth in their home town, and are hired by a carnival owner to spot pickpockets.

