"X-rays Pictorial works." . . . . "Radiography." . . "Pictorial works"@en . . "X-treme x-ray : see the world inside out!" . . "A visual introduction to the world of x-rays shows the skeletons of people and creatures from the natural world as well as the insides of such everyday objects as a laptop computer and a cell-phone."@en . . "Juvenile works" . "Juvenile works"@en . . . . . . . "X-treme X-ray : see the world inside out!"@en . . . . . . "X-treme x-ray"@en . . "Extreme X-ray"@en . . "X-treme X-ray See the World Inside Out!" . "Discusses how x-rays work, with photographs of x-rays of people as well as objects in nature, sports, and technology, with descriptions and informative facts." . "X-rays." . .