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.


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Featured Series

122 primary books123 released books

#119 in The Boxcar Children

The Boxcar Children is a 123-book series with 123 released primary works first released in 1924 with contributions by Gertrude Chandler Warner, Shannon Eric Denton, and Charles Tang.

#1
The Boxcar Children
#3
The Yellow House Mystery
#4
Mystery Ranch
#5
The Boxcar Children 5-8
#7
The Woodshed Mystery
#8
The lighthouse mystery.
#10
Schoolhouse Mystery
#11
Caboose Mystery
#12
Houseboat Mystery
#13
Snowbound Mystery
#14
Tree House Mystery
#17
Mystery Behind the Wall

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