Marshall Brain's more how stuff works. BIG softcover Book

<span;>From the award-winning Web site visited by more than 2.5 million people every month comes the softcover reference guide How Stuff Works. This book is a definitive guide to the inner workings of everyday items. In this fun and infinitely informative guide, Marshall Brain and staff of "stuff" experts at HowStuffWorks, Inc. unravel the mysteries of more than 135 intriguing topics. You'll be fascinated by the world around you!  Book has slight cover wear but overall in good condition.