Take a fun, fact-filled trip back to Earth as it was 430 million years ago. Then, watch as continents drift and oceans take shape.

Watch out (!) as fish get toothier, plants stretch skywards and bugs get bigger. Soon fish get feet and four-legged creatures stalk the planet. Here's the story of Earth in conversational text, informative illustrations, and humorous cartoons. Complete with time line, pronunciation guide, glossary and index.

This book is part of a book series called Hannah Bonner .

There are 48 pages in this book. This book was published 2009 by National Geographic Kids .

HANNAH BONNER was born and raised on the Spanish island of Mallorca, in an American household. She attended Spanish schools through high school, and then went to Oberlin College in Ohio, where she studied biology and art. Over the years she managed to bring her two loves together by specializing in natural science illustration. In 2000 she illustrated the best-selling Scholastic Science Dictionary. Shortly thereafter she began writing as well as illustrating. This is her third book for National Geographic as both author and illustrator.