It’s hard to put good stories into video games. You have to balance the player’s desire for freedom in the game world with the publisher’s need to tell a coherent narrative. But players love to have stories incorporated in their games, and they’re becoming more sophisticated all the time. As the market for video games expands, we need to tell new tales that entertain new people. Interactive Storytelling is a key part of the standard game design curriculum. We need a current book on the topic, and Ernest Adams (30 year game design luminary) has put together a comprehensive, cutting-edge book on the topic.