Other editions of book Houseboat Mystery

The Aldens are spending the summer traveling on a houseboat! Throughout their journey, the children have the feeling that they’re being watched. Someone is watching them - and the thing that he wants is somewhere on their boat! He’ll stop at nothing to get it and it’s up to the Boxcar Children to figure out why!

Floating down a lazy river, Benny finds a blackmail scheme in progress.

The Aldens spend their summer traveling in a houseboat! But when a black car shows up at every place they dock, the children begin to think someone is after something on the boat. Can the Boxcar Children figure out what the pursuer could be after?

Floating down a lazy river, Benny finds a blackmail scheme in progress.

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Floating down a lazy river, Benny finds a blackmail scheme in progress.