Schoolhouse mystery /
Gertrude Chandler Warner; illustrated by David Cunningham
- First Scholastic printing, September 1990
- Niles : Scholastic, 1965
- 128 pages : illustrations ; 20 cm
- The boxcar children Book 10 .
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Henry, Jessie, Violet, and Benny once lived on their own in a boxcar... The Boxcar Children are spending the summer in a tiny, quiet New England fishing village. The little schoolhouse doesn't have a proper teacher, so the Aldens are teaching!