books.google.com - Creativity isn't born, it's cultivated—this innovative guide distills the work of extraordinary artists and thinkers to show you how. All the imagination needs to be fruitful is exercise. Robert and Michele Root-Bernstein identify the thinking tools employed by history's greatest creative minds—from...http://books.google.com/books/about/Sparks_of_Genius_The_Thirteen_Thinking_T.html?id=DARiLCJc0dEC&utm_source=gb-gplus-shareSparks of Genius: The Thirteen Thinking Tools of the World's Most Creative People