When the problems we face reach such complexity that “we don’t even know what we don’t know”, conventional approaches based on past experience are doomed to failure. We have to think not only “out of the box” but we must do so by combining as many different points of view and mindsets as possible.

Matthew Syed’s “Rebel Ideas” addresses the importance of this cognitive diversity, based on cutting-edge research in areas such as psychology, economics and anthropology and illustrates it with a wide range of cases – including examples of catastrophic failures attributable to its absence, such as the attacks on World Trade Center on September 11.