Martin Nowak, a world-leading expert in the fields of evolution and game theory, explains in his captivating and accessible book why cooperation - and not selfishness - is the key to the game of life. This is the brilliant response to Frank Schirrmacher's bestseller "Ego." In the game of life, the pursuit of success drives us. We all want to be winners. Even our genes, it is said, are selfish. But competition does not tell the whole story of biology. Something fundamental is missing. To survive, creatures of every species and at every level of complexity also engage in cooperation. In human society, cooperation is even ubiquitous. Even the simplest processes involve more collaboration than one might think. Moreover, cooperation is not limited to working towards a common goal. Cooperation also means that...