Houseboat mystery /
created by Gertrude Chandler Warner ; illustrated by David Cunningham.
- Chicago, Ill. : A. Whitman, [1967].
- 128 p. : ill. ; 22 cm.
- The boxcar children ; #12. .
- Boxcar children mysteries ; #12. .
- Warner, Gertrude Chandler, 1890-1979. Boxcar children mysteries ; #12. .
The Alden family rents a houseboat to drift down the river, and encounters a mystery in the little towns along the river, involving a fast black car.