'McGonigal is a clear, methodical writer, and her ideas are well argued. Assertions are backed by countless psychological studies.' --The Boston Globe 'Powerful and provocative . . . McGonigal makes a persuasive case that games have a lot to teach us about how to make our lives, and the world, better.' --San Jose Mercury News 'Jane McGonigal's insights have the elegant, compact, deadly simplicity of plutonium, and the same explosive force.' --Cory Doctorow, author of Little Brother A visionary game designer reveals how we can harness the power of games to boost global happiness. With 174 million gamers in the United States alone, we now live in a world where every generation will be a gamer generation. But why, Jane McGonigal asks, should games be used for escapist entertainment alone? In this groundbreaking book, she shows how we can leverage the power of games to fix what is wrong with the real world-from social problems like depression and obesity to global issues like poverty and