Mikael Krogerus is an editor at Das Magazin, the cultural supplement of four of Switzerland's leading newspapers. Roman Tschappeler is the founder and CEO of guzo, a communication agency based in Biel, Switzerland. Together, they are the authors of an internationally bestselling series of smart-thinking books, including The Decision Book, The Change Book and The Test Book.
'A handy primer for anyone keen to tackle problems in a different way' - Director magazine 'New-year stimuli to anyone who manages anything - even just their desk' - Independent 'It is thought-provoking reading on how the mind works and includes clear-cut diagrams and self-analysis questions' - Insight Magazine