Dòng Nội dung
1
Mystery in the cave. Gertrude Chandler Warner ; illustrated by Charles Tang. 50 /
New York : Scholastic INC., 1996.
121 p. : ill. ; 21 cm.

While exploring the caves around Dragon s Mouth Cavern, a series of unusual and somewhat frightening events convinces the Alden children that someone does not want them around.
2
The mystery of the stolen music . Gertrude Chandler Warner ; illustrated by Charles Tang. 45 /
New York : Scholastic INC, 1995.
118 p. : ill. ; 20 cm.

The Alden children are thrilled when a famous orchestra comes to their town to perform, and when an original Mozart score turns up missing, they solve the mystery of its disappearance.