This book is part of a book series called Dont Know Much About .

This book has been graded for interest at 8-12 years.

There are 63 pages in this book. This book was published 2009 by Collins Publishers .

Stuart J. Murphy is a visual learning specialist. A graduate of the Rhode Island School of Design, he has a strong background in design and art direction. He also has extensive experience in the world of educational publishing. Drawing on all these talents, Stuart J. Murphy brings a unique perspective to the MathStart series. In MathStart books, pictures do more than tell stories; they teach math. Stuart J. Murphy and his wife, Nancy, live in Boston. Pedro Martin, a greeting-card artist for Hallmark, also illustrated Don't Know Much About(R) The Solar System and Don't Know Much About(R) The Presidents. He lives in Kansas City, Missouri.