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The Great Dinosaur Extinction Controversy (Helix Books)
The Great Dinosaur Extinction Controversy - Helix Books Author:Charles Officer, Jake Page The authors have taken on the task of presenting a cohesive opposition to the prevailing impact hypothesis. Refutes the commonly accepted theory explaining the extinction of the dinosaurs and offers an alternative explanation for the mass extinctions that occurred at the end of the Cretaceous period. B+W photos, illustrations, charts etc.