So You Want To Be a Game Master
So You Want To Be a Game Master is a treasure trove of GMing lore written by Atlas Games' own RPG Developer Justin Alexander. It's coming out in Nov from Macmillan (not Atlas, alas!), and is chock full of useful gaming advice, whether you're running your first game or your hundredth. It's an excellent resource for creating your campaign, doing quick-and-dirty worldbuilding, finding scenario hooks, learning useful tricks for running combat, dealing with players who split the party, and much more. It offers a ton of practical advice no matter what type of adventures you're running. You can pre-order Justin's step-by-step guide to becoming a Game Master NOW, or look for So You Want To Be a Game Master in bookstores and game stores on Nov 21st.