Digging Up Dinosaurs with Jack Horner Author:Jack Horner Digging Up Dinosaurs, by world-renowned paleontologist Jack Horner. Written for kids ages eight to twelve, Digging Up Dinosaurs is chock full of fun and fascinating information about fossils in Montana, Colorado, Utah, Wyoming, Idaho, North Dakota, and South Dakota. Horner takes kids along on the dig, explaining step by step how fossils are fo... more »rmed, the best places to find them, what it takes to get them out of the ground, and what the fossils tell us about the dinosaurs that roamed the Rocky Mountain states and the Dakotas. We even get to look back in time at what the region looked like during the Mesozoic Era and what dinosaurs ruled in what are now Montana, Colorado, Utah, Wyoming, Idaho, North Dakota, and South Dakota.« less