"Hope, Laura Lee" . . "Houseboats." . . "Twins Juvenile fiction." . . "Adventures Fiction." . . "Detective and mystery stories." . . "Brothers and sisters." . . "Mystery and detective stories Juvenile fiction." . . "Houseboats Juvenile fiction." . . "Bobbsey Twins (Fictitious characters) Juvenile fiction." . . "Mystery and detective stories." . . "Bobbsey Twins (Fictitious characters)" . . "House Fiction." . . "JUVENILE FICTION / General" . . "Mystery fiction." . . "Boat Fiction." . . "Brothers and sisters Juvenile fiction." . . "Mystery & detective stories." . . "Twins Fiction." . . "Detective and mystery stories"@en . "Detective and mystery stories" . . . . . . . . . . "Join the Bobbseys as they set sail on a houseboat -- where mystery and intrigue await!"@en . . . . . . . . . . "Fictional literature"@en . "Fictional literature" . . . . "Bobbsey Twins on a Houseboat"@en . . . . . "Erzählende Literatur" . . . . . . . . "On a houseboat" . . "On a houseboat"@en . . "Los Gemelos y la casa flotante" . "Project Gutenberg's The Bobbsey Twins on a houseboat" . . . . . . . . . . . . . "Los gemelos y la casa flotante"@es . . "Children's stories" . "The Bobbsey twins on a houseboat. [6]"@en . "Children's stories"@en . . "The Bobbsey Twins on a Houseboat" . "The Bobbsey Twins on a Houseboat"@en . . . "While vacationing on a houseboat, the Bobbsey Twins help Will Watson, who is running away from his mean employer Mr. Hardee."@en . "Bert was on his way to the galley in the middle of the night when he heard a frightened scream that sounded like Flossie." . . . . "Juvenile works"@en . . "Juvenile works" . . . . . . "Electronic books"@en . . "Electronic books" . "Fiction"@en . . "Fiction" . . . "The Bobbsey Twins on a House Boat"@en . . . "The Bobbsey twins on a houseboat. vol. 6" . "The Bobbseys set sail on a houseboat where mystery and intrigue await." . "The Bobbseys set sail on a houseboat where mystery and intrigue await."@en . . . "Mystery fiction" . "Mystery fiction"@en . "The Bobbsey twins on a houseboat"@en . "The Bobbsey twins on a houseboat" . "Bert, Nan, Freddie, and Flossie help an orphan, Bruce Watson, locate his aunt and uncle in Florida."@en . "Bobbsey twins on a houseboat"@en . . . "The Bobbsey Twins on a houseboat"@en . "The Bobbsey Twins on a houseboat" . . . . "Project Gutenberg presents The Bobbsey Twins on a houseboat" . . . . . "The Bobbsey twins on a houseboat. Bk. 6"@en . . . "The Bobbseys have many adventures when they buy a houseboat, among them the discovery of the Indian legend and treasures of Arrow Falls." . . . "The Bobbsey twins on a house boat"@en . . "The Bobbsey Twins are the principal characters of what was, for many years, the longest-running series of children's novels. The books related the adventures of the children of the middle-class Bobbsey family, which included two sets of fraternal twins: Bert and Nan, who where 12 year."@en . "Original Bobbsey twins on a houseboat" . . . "Twins." . . . .