. . "JUVENILE NONFICTION Science & Nature General (see also headings under Animals or Technology)" . . "Juvenile works"@en . "Juvenile works" . . . . . . "Electronic books"@en . . . "Scoop, seesaw, and raise : a book about levers" . "Provides examples to describe levers as simple machines used to lift, push, or move a load. Includes an activity."@en . "Scoop, seesaw, and raise a book about levers"@en . . . "Learn about the different uses of levers. How does it work and why? These fun science books answer kids' questions about the world around them-and encourage them to ask more." . .