The sinister signpost /
by Franklin W. Dixon.
Description
- Language(s)
-
English
- Published
-
New York : Grosset & Dunlap, c1968.
- Summary
-
The Hardy boys and their father solve a mystery involving inexplicable crashes of highspeed race cars being used to test an experimental turbine motor. Each of the drivers had seen a signpost marked "danger" shortly before his accident. The young detectives investigate, only to discover that the mysterious signposts have vanished!
- Physical Description
-
175 p. :
ill. ;
20 cm.
- ISBN
-
9780448189154
0448189151
9780448089157
0448089157
Viewability