Set the scene for the Serpent's Skull Adventure Path or paint avivid backdrop for thousands of untold wilderness adventures with thiswide-ranging jungle campaigning sourcebook. Learn the terrible secrets that lurk below the darkened canopy of theScreaming Jungle, dare the treacherous territory of the Gorilla King, andexplore the fallen air-cities of long-dead cultures! Discover the secrets tosurviving in the hostile Mwangi Jungle -- and how to make it a memorablethreat for players. Unearth lore about the strange creatures who live in theMwangi expanse and their even stranger deities. All this and more awaits in thisoverview of the Mwangi Expanse, an unmapped green hell in the southern reachesof the Pathfinder Chronicles Campaign Setting.