The Last Days of the Dinosaurs

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The Last Days of the Dinosaurs

From the Series Prehistoric Field Guides

Follow Ackerley the Acanthostega through the Cretaceous period, 145 to 66 million years ago, when the mightiest dinosaurs stalked the planet. Watch them seek prey, battle enemies, and finally… Read More →

  • Lexile: 1000
  • ATOS: 6.2
  • Dewey: 567.9