Where Did Dinosaurs Come From? -

"Stegosaurus had spikes along its back. Triceratops had long, sharp horns. Tyrannosaurus rex was enormous. Millions and millions of years before the first people lived, these fascinating creatures ruled the Earth. To find out where they came from, you have to look way back in time...3.5 billion years ago! Come explore the biggest mystery of all: ...

Where Did Dinosaurs Come From? 2010, HarperCollins Publishers, New York, NY

ISBN-13: 9780064452168

Trade paperback

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Where Did Dinosaurs Come From? 2010, Collins Publishers, New York, NY

ISBN-13: 9780060290221

Hardcover

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