books.google.com - How do you draw a straight line? How do you determine if a circle is really round? These may sound like simple or even trivial mathematical problems, but to an engineer the answers can mean the difference between success and failure. How Round Is Your Circle? invites readers to explore many of the same...http://books.google.com/books/about/How_Round_is_Your_Circle.html?id=iIN_2WjBH1cC&utm_source=gb-gplus-shareHow Round is Your Circle?