The elves of the Mierani Forest have been hiding something from outside eyes for hundreds of years, but now, this sinister secret has escaped. What at first seems to be a sudden uprising in unsanctioned banditry in the Riddleport hinterlands is in fact something altogether more menacing the dark elves have come to Varisia. Yet the threat presented by the drow from below may be nothing compared to a new threat from the skies above. Can a new group of heroes save the world from the Second Darkness?This volume of Pathfinder kicks off the third Pathfinder Adventure Path campaign Second Darkness and presents a detailed gazetteer of the intrigue-filled streets of Riddleport, details the Gold Goblin Gaming Hall and several of Riddleport's most popular games of chance, and presents a half dozen new monsters native to the Riddleport region. It also contains a bonus adventure that presents a typical Riddleport thieves' guild.