The Guide of the Master of Knowledge offers advice and new rules to help you create and play encounters, adventures, and campaigns in the world of The Hobbit and The Lord of the Rings using the OGL rules. The saga that began in the Player's Handbook continues in this luxurious Guide of the Master of Knowledge. The volume, beautifully illustrated and full of information about the setting, advice on campaign management, and rule insights, is an invaluable resource for any story set in Middle-earth.