DAVID WILLIAMSON SHAFFER is Associate Professor of Learning Science at the University of Wisconsin-Madison, USA, and Game Scientist at the Academic Advanced Distributed Learning Co-Laboratory. A former teacher, curriculum developer, teacher-trainer, and game designer, he has taught in the United States and with the U.S. Peace Corps in Nepal.JAMES PAUL GEE has written the Foreword to this book. He is one of the most well-known professors of education in the United States. He teaches at the University of Wisconsin, Madison and is the author of several books, including What Video Games Have To Teach Us About Learning and Literacy (Palgrave Macmillan, 2004).