Mountain top mystery /
Gertrude Chandler Warner ; illustrated by David Cunningham.
- Chicago : Albert Whitman, c1964.
- 128 p. : ill. ; 22 cm.
- The Boxcar children mysteries ; #9 .
The children spend the summer mountain climbing in New England.
2-7 2.7
0807552933
64007722
Mountaineering--Fiction. Mystery and detective stories.