The local police prove unhelpful when a 500-pound dinosaur skull vanishes from a secret excavation on Sage's family's ranch, so Teddy and his friends conduct their own investigation.

Professor Potts discovers some big old bones and puts them together in various ways until he is satisfied he has discovered a dinosaur that once ruled the earth.

Explains how fossils are formed and what they tell us about the past.

"Blue-blooded crabs? Platypus that sting? One-hundred-year old reptiles? Meet some of nature's longest-surviving species! Discover the stories of these incredible animals and find out how they help scientists piece together evolutionary history."--

The year is 1876. Among the warring Indian tribes and lawless gold-rush towns of America's western territories, two paleontologists pillage the Wild West. They are hunting for dinosaur fossils, while surveilling, deceiving and sabotaging each other in a rivalry that will come to be known as the Bone Wars. Into this treacherous territory plunges the arrogant and entitled Yale student William Johnson. Determined to survive a summer in the west to win...

Resembling a paleontologist's sketchbook filled with labeled watercolor drawings and descriptive notes, Dinosaur Bones is an accurate reference to 40 dinosaurs, marine reptiles, flying reptiles and prehistoric mammals.

"Find our about the rocks beneath your feet and te minerals they contain. Discover how they are used--from the graphite in pencils, to precious metals and gems. Learn the secrets of ancient fossils and how new rocks are made." -- Back cover.

Describes plants and animals that developed in ancient times and remain relatively unchanged today, including the cockroach, opossum, and ginkgo tree.

When the largest, most complete fossil of a Tyrannosaurus Rex is discovered in Absaroka County, it would appear to have nothing to do with Walt. That is, until the Cheyenne rancher who finds her is found face down in a turtle pond. As a number of parties vie for ownership of the priceless remains, including rancher Danny Lone Elk's family, the Cheyenne tribe, the Deputy Attorney General, and a cadre of FBI men, Walt must recruit undersheriff Victoria...