Lynn Vavreck and John Sides explain why and how they wrote The Gamble

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Pterosaurs: Natural History, Evolution, Anatomy
by Mark P. Witton.

For 150 million years, the skies didn’t belong to birds–they belonged to the pterosaurs. These flying reptiles, which include the pterodactyls, shared the world with the nonavian dinosaurs until their extinction 65 million years ago. This richly illustrated book takes an unprecedented look at these astonishing creatures, presenting the latest findings on their anatomy, ecology, and extinction.

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