Sparks of Genius: The 13 Thinking Tools of the World's Most Creative PeopleeBookSparks of Genius: The 13 Thinking Tools of the World's Most Creative PeoplevonRobert Root-BernsteinBewertung: 4 von 5 Sternen4/5Sparks of Genius: The 13 Thinking Tools of the World's Most Creative People für später speichern