A compelling account of how the impact of a giant asteroid may have killed the Earth's dinosaurs.

This book is part of a book series called I Can Read-Level 2 .

There are 48 pages in this book. This is a reference book. This book was published 2007 by HarperCollins Publishers Inc .

Paleontologist Charlotte Lewis Brown writes about science for children and adults. Dr. Brown lives in Seattle, Washington. Artist Phil Wilson specializes in depicting prehistoric life and consults with leading researchers. He lives in Pittsburgh, Pennsylvania.