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The Uncover series combines the best elements of a book with model elements to help readers truly "uncover" the mysteries of what makes things work. A fascinating three-dimensional presentation allows in-depth, hands-on exploration of the subject at hand. This unique "model" is easily built, deconstructed and re-built layer by layer, system by system just by turning a page, until an understanding of the topic is achieved. Uncover a T. Rex examines the structure and fossilized bones of the most powerful meat-eating animal to ever live on land. Learn about scientists' theories and observations and how they came to their conclusions, Discover where T. Rex fossils were found in the U.S., if they were hunters or scavengers, if they were related to birds, and how fast this enormous animal could run.