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Dinosaurs everywhere flee for their lives!
Calvin is coming. The late cretaceous: the last epoch of the mighty dinosaurs. King of the thunder lizards is the fearsome Calvin, the tyrannosaurus! Seven tons of muscle and teeth, he searches for his prey! Calvin, for goodness sake, stop stomping around! You're driving me crazy! OW! CHOMP! How did the fearsome tyrannosaurus become extinct? Now we know! Calvin, the tyrannosaurus, is king of the thunder lizards. Seven tons of muscle and teeth searches for prey. Mom sees Calvin hunched over with teeth bared. She tells him to stop stomping around. He's driving her crazy. Suddenly, Calvin bites Mom on the leg. As she chases him, Calvin asks how the fearsome tyrannosaurus became extinct. Now we know.