The Extinction Curse Adventure Path begins! The Circus of Wayward Wonders has just arrived in the remote town of Abberton, and the player characters are the stars of the show! When the ringmaster turns up dead, the fate of the traveling circus and its entertainers hangs in the balance, and the heroes must scramble to put on a successful show and find the killer—all at the same time! Investigations only lead to more questions, and the heroes find themselves center stage in a dangerous, prehistoric plot that threatens not just Abberton, but every inhabitant of the Starstone Isles! "The Show Must Go On" is a Pathfinder Second Edition adventure for four 1st-level characters. This adventure begins the Extinction Curse Adventure Path, a six-part, monthly campaign in which the heroes lead a traveling circus as they unravel a plot to eradicate all life from the Starstone Isles at the heart of the Inner Sea. The adventure also includes advice on how to run a traveling circus, new circus-themed rules, and a menagerie of monsters both wondrous and wicked.

The heroes bring their Circus of Wayward Wonders to the city of Escadar to capitalize on their newfound fame and skills. But old enemies lurk in the city, including the cruel Mistress Dusklight and her Celestial Menagerie. Investigating the looming xulgath threat in a shuttered temple to Aroden, the dead god of humanity, the heroes learn that all their foes are working together. The revelation forces them to enter the Celestial Menagerie to bring the evil ringmaster to justice. "Legacy of the Lost God" is a Pathfinder adventure for four 5th-level characters. This adventure continues the Extinction Curse Adventure Path, a six-part, monthly campaign in which the heroes lead a traveling circus as they unravel a plot to eradicate all life from the islands of the Inner Sea. This adventure also includes information about catfolk of Golarion and the villainous xulgaths, as well as new monsters and circus-themed rules. Each monthly full-color softcover Pathfinder Adventure Path volume contains an in-depth adventure scenario, stats for several new monsters, and support articles meant to give Game Masters additional material to expand their campaign. Pathfinder Adventure Path volumes use the Open Game License and work with both the Pathfinder RPG and the world's oldest fantasy RPG.

Fresh from their successes in Escadar, the heroes bring their traveling circus to the Isle of Kortos―the so-called Starstone Isle at the heart of the Inner Sea. As their circus tours the farming communities in the breadbasket known as the Swardlands, the heroes get a chance to explore the three aeon towers that impart enchanted bounty to the land. Yet all is not well in the Swardlands, as ecological damage and raiding beasts threaten the hardworking farmers and loggers. The heroes must overcome the aeon towers' stony guardians, entrenched xulgath hordes, and a zealous dero murderer before they can confront the xulgaths’ alchemist leader and disrupt his disastrous scheme to use the aeon towers to bring ruin to everyone on the island! “Life's Long Shadows” is a Pathfinder adventure for four 9th-level characters. This adventure, from author Greg A. Vaughan, continues the Extinction Curse Adventure Path, a six-part, monthly campaign in which the heroes lead a traveling circus as they unravel a plot to eradicate all life from the islands of the Inner Sea. This adventure also includes information about the bountiful area known as the Swardlands and the malevolent demon lord Zevgavizeb, as well as new monsters and rules. Each monthly full-color softcover Pathfinder Adventure Path volume contains an in-depth adventure scenario, stats for several new monsters, and support articles meant to give Game Masters additional material to expand their campaign. Pathfinder Adventure Path volumes use the Open Game License and work with both the Pathfinder RPG and the world’s oldest fantasy RPG.