Pathfinder Roleplaying Game: Ultimate Intrigue Pocket Edition - Rules of Play says:

Whether the heroes are taming the blood-soaked back alleys of their favorite metropolis or jockeying for the queen's favor alongside highborn nobles, Pathfinder RPG Ultimate Intrigue is an invaluable companion to the Pathfinder RPG Core Rulebook. In the right setting, a single scathing word can prove deadlier than a poisoned dagger. Behind the scenes of heroic battles and magical realms lies a seething underbelly of danger and deception. This world of intrigue holds endless possibilities for adventure, as heroes duel with words instead of steel, plot daring heists, and engage in battles of wills against relentless nemeses. A high-stakes game of shadows and secrets is yours to master—if you have the wits!