Professor Barrister's Dinosaur Mysteries #2: The Case of the Armored Allosaurus

Penner, Stephen

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In this second installment of the series, world-famous paleontologist Professor Reginald Barrister and third-grade dinosaur experts Nate and Emily travel back to dinosaur times to investigate a mysterious Allosaurus fossil. The fossil shows the dominant predator of Jurassic North America with large armor plates across its back, but Allosaurus didn’t have armor–or did it? Professor Barrister, Nate and Emily will have to brave gigantic sauropods, spike wielding herbivores, and of course the mon