Pyramid of Shadows is the final part of a loosely connected three part series of adventures introducing the 4th edition Dungeons & Dragons ruleset. The adventure, written by Mike Mearls and James Wyatt, was published in 2008 by Wizards of the Coast, as a sequel to the adventures Keep on the Shadowfell and Thunderspire Labyrinth. The adventure is designed for characters of levels 7-10 and the module code "H" stands for Heroic Tier. This module is set in a region of the world called the Nentir Vale, the details of which are given in the 4th edition Dungeon Master's Guide. Source: Wikipedia (en)