Describes the efforts of Roland Bird to investigate footprints left in various sites across the American Southwest by dinosaurs millions of years ago.

An account of the English girl who, at age twelve, discovered the first complete icthyosaurus skeleton, and who continued to collect and study dinosaur fossils throughout her life.

Recounts the life and fossil discoveries of Barnum Brown, the paleontologist who, in 1908, discovered the largest and most complete Tyrannosaurus skeleton that had ever been found.