Dòng Nội dung
1
Blue Bay mystery / Gertrude Chandler Warner ;illustrated by Dirk Gringhuis.
New York , : Scholastic INC., [1961]
157 p. : ill. ; 22 cm.
2
Surprise Island / Gertrude Chandler ;Mary Gehr.
New York : Albert Whitman and Company, [1949]
181 p. : ill. ; 22 cm.
3
The four hungry children / created by Gertrude Chandler Warner ; illustrated by Charles Tang.
Morton Grove, Ill. : Albert Whitman & Company, 1992.
119 p. : ill. ; 22 cm.

The Aldens search for carousel horses that have disappeared from an amusement park.
4
The mystery at the dog show / Gertrude Chandler Warner ; illustrated by Charles Tang.
New york : Scholastic INC., 1993.
121 p. : ill. ; 21 cm.

The Alden children suspect someone of trying to sabotage the local dog show.
5
The mystery cruise / Gertrude Chandler Warner ; illustrated by Charles Tang.
New York: Scholastic INC. , 1992.
118 p. : ill. ; 22 cm.

While on a cruise with their grandfather, the Alden children help discover who is behind the mysterious troubles of the ship--disconnected phone lines, engine trouble, a man overboard--and still have fun sightseeing, eating, and swimming.