Masks is an adventure taking place in 1926-27 (game time of 1yr exactly). This is perhaps the most comprehensive and compelling storyline I have ever seen in a role-playing product. The story starts as a simple murder investigation, and deepens more and more until players are knee-deep in trouble, are chased by secret cults and have the chance to uncover terrible mysteries of forgotten civilizations. A great deal of emphasis has been given in historical accuracy and depth of atmosphere, so in every chapter (New York, London, Cairo, Kenya, Ausralia, Shanghai) you get loads of info as to how the region was at that era, political situation, important people-factions etc. Various elements of the Cthulhu mythos and some very well-known Lovecraft novel elements and plots are incorporated into the book. Loads of carefully prepared handouts await the players, as they are about to embark in the journey of a lifetime. A must have! There is absolutely no negative - this adventure, once carefully prepared, is the perfect campaign for experienced storytellers.