Was a massive terrorist strike on Western soil imaginable before 9/11? Yes, if you read the letter to the US president contained in The Mind of a Fox, the No.1 bestseller published in June 2001. The book has since transformed scenario planning from an esoteric discipline into a practical model widely used in the business world. Now the authors, Chantell Ilbury and Clem Sunter, have extended their model to allow companies to have an intense strategic conversation based on the idea that business is a game which you have to understand before examining different strategies to play it. They argue that leaders with a balanced set of beliefs and the capability of adapting to changes (foxes) are more likely to win the game in the extraordinary times we live in.