From the back of the book:
Some Debts Are Impossible To Pay
The Forest King is long dead and no one has seen his priceless regalia in many years, lost as it is to the depths of his haunted domain. Now the objects must be found if justice is to be served, but an eternal guardian stands watch, ready to deal with all intruders.
Into the Haunted Forest is a wilderness adventure for 1st-level characters and is compatible with the world’s most popular fantasy roleplaying game. This adventure includes details on the haunted forest, the lost regalia of the Forest King, and a group of mercenaries bent on seeing the heroes fail.
This adventure is designed for optimal use with GameMastery RPG accessories, including GameMastery Flip-Mat: Woodlands, GameMastery Map Pack: Inns, and GameMastery Item Cards: Elements of Power, but can be used as a standalone adventure.