The Eternal Trail: S Tracker Looks at EvolutionWere Jurassic dinosaurs social creatures? Is the legendary Bigfoot merely a myth? Can you determine the shape of a ram's horns from its footprints? Paleontologist Martin Lockley answers these questions and many more in this highly original chronology of tracking and track making. From the earliest fossilized prints left by a millipede on a volcanic island to Neil Armstrong's footprint, forever embedded in the lunar dust, Lockley reinterprets the story