Morton Grove, Ill. : Albert Whitman & Co., 2009.
120 p. : ill. ; 20 cm.
The Boxcar children mysteries; #119
Warner, Gertrude Chandler, 1890-1979. Boxcar children mysteries ; #119.
When they take their dog, Watch, for obedience training, the Alden children discover that some of the dogs in the class have vanished and decide to try to solve the mystery of their disappearance.