The Vanishing Houseboat

by Mildred A. Wirt

When Penny and Louise take their friend Laura Blair to apply for a new job, they accidentally discover several mysteries. Linda begins work in a boarding house known for strange disappearances. Meanwhile, Penny becomes acquainted with Mud-Cat Joe and his family who are homeless ever since their houseboat was stolen.

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excellent
Cover image for Vanishing Houseboat, The