Dinosaurs Rule

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Dinosaurs Rule

From the Series Prehistoric Field Guides

Come along with Ackerley the Acanthostega to visit the Triassic and Jurassic periods, 203-145 million years ago. Watch the first dinosaurs appear. See them grow in size and numbers to… Read More →

  • Lexile: 960
  • ATOS: 6.2
  • Dewey: 567.9