Christopher Alexander was arguably the greatest genius of the twentieth century. This, his most famous book, is a guide to the way the human mind and body relate to the spaces around it. If you are making games that involve rooms, terrain, or locations, this book will provide a wealth of insights, especially if your games are social. Will Wright read this book, and it inspired him to create Sim City. I read it and suddenly understood how to layout Toontown. What will happen when you read it?