"Technologie Encyclopédies." . . "Inventos Enciclopedias." . . . "Juvenile works" . "Juvenile works"@en . . . "Encyclopedias"@en . . . "The Illustrated science and invention encyclopedia"@en . "How it works" . . . . . . . . . "How it works"@en . . . "The illustrated science and invention encyclopedia" . "The illustrated science and invention encyclopedia"@en . "The illustrated science and invention encyclopedia : How it works"@en . . . "Explains in twenty-one illustrated volumes the workings of alphabetically arranged inventions, scientific principles and manufacturing processes."@en . . "Illustrated science and invention encyclopedia"@en . . . . . . "How it works : the illustrated science and invention encyclopedia"@en . . . . . . . "The Illustrated science and invention encyclopedia : how it works"@en . "The Illustrated science and invention encyclopedia : how it works" . . "How it works : the illustrated science and invention encyclopedia"@en . . . . "Dictionaries"@en . "Dictionaries" . "Sciences." . . "Ciencia Enciclopedias." . . "Technologie Dictionnaires pour la jeunesse." . . "Technologie Dictionnaires." . . . . "Technologie Dictionnaires anglais." . .