Imagine a world of mystery and excitement, adventure and fantasy, waiting for you to explore. A world that reacts to your every move, with characters that talk to you, send you messages, and even give you items to help you in your quest. A world so immersive that you can no longer tell where reality ends and fiction begins. Welcome to the world of Alternate Reality Gaming. This Is Not A Game: A Guide to Alternate Reality Gaming by Dave Szulborski is the perfect introduction to this exciting new world.