Part of the Gwendy Peterson Series
Gwendy’s Final Task
Speculative | Fantasy | Sci-Fi
256 Pages
Co-written by Stephen King and Richard Chizmar
Gwendy Peterson is no longer the girl on the Castle Rock stairs, she’s a U.S. Senator, a seasoned woman shaped by unimaginable responsibility. And now, the button box has returned for the last time. Only this time, the danger isn’t confined to a small town or a single decision. It threatens the entire world.
To protect humanity from the box’s seductive, destructive power, Gwendy agrees to take it somewhere no one can reach it: space. But something (or someone) is trying to stop her. And the closer she gets to her destination, the more reality begins to bend in terrifying ways.
Gwendy’s Final Task is a strange, emotional, and ambitious closing chapter that links Castle Rock to the wider multiverse of King’s universe. It’s about sacrifice, legacy, and what happens when you carry a burden no one else can understand.