Dixon, Franklin W.
Mystery of the flying express
by Franklin W. Dixon.
- New York : Grosset & Dunlap, c1977.
- 177 p. ; 20 cm.
- The Hardy boys mystery stories ; 20 .
0448089203
Hardy Boys (Fictitious characters) --Juvenile fiction.
Mystery and detective stories.
PZ7.D644
Fic. D6213m 1977 Bk.20