Dòng Nội dung
1
Caboose mystery/ Gertrude Chandler Warner ; illustrated by Charles Tang.
New York : Scholastic Inc., 1990.
128 p. : ill. ; 22 cm.
2
The mystery on stage / Gertrude Chandler Warner ; illustrated by Charles Tang.
New York : Scholastic Inc. , 1994.
121 p. : ill. ; 22 cm.

The Aldens become involved in a community theater production of "The Wizard of Oz," which is systematically and mysteriously being sabotaged.