Walk in the footsteps of the first fossil researchers to discover the earliest animal life on Earth. Explore whether dinosaurs had scales, fur, or feathers. Find out how fish learned to walk. This lively history combines storytelling with science to bring to life incredible creat...ures that once walked the Earth--the hallucigenia (a creature without tail or head), the tiktaalik (a walking fish), the plesiosaur (a peaceful sea dragon), and many more. Told with illustrations, comics, and facts, it shows how fossils tell a fascinating story about our oldest known species and how scientific thinking evolves.
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