"Spanish language materials." . . "Submarinos nucleares Literatura juvenil." . . "Spanish Educational Publishing." . . . . . . . "Nuclear submarines"@en . "Nuclear submarines" . "Submarinos nucleares" . . . . . . "Juvenile works"@en . "Juvenile works" . . "Nuclear Submarines"@en . . . "Electronic books"@en . . "Explains what a nuclear submarine does, which branch of the military uses it, and the equipment on board."@en . . "Explains what a nuclear submarine does, which branch of the military uses it, and the equipment on board." . . . . . . . . "Submarines Juvenile literature." . . . . "Submarines." . . "Nuclear submarines Juvenile literature." . . "Submarinos Literatura juvenil." . .