The Mysterious Benedict Society and the Prisoner's Dilemma

Reynie, Kate, Sticky and Constance are back — but so is Mr. Curtain, with another devious scheme.

Can the Mysterious Benedict Society thwart Mr. Curtain's plans, even while held prisoner?

Join them on their adventure as they face all sorts of dilemmas in a bid to save Stonetown.

Perfect for curious readers! Ideal for children aged 10 and up. Join a group of smart and resourceful junior sleuths as they solve a series of page-turning puzzles and mysteries. Perfect for fans of Robin Stevens's Murder Most Unladylike series.

Endorsements

Book 3 in the New York Times bestselling series.

“This book reminded me of some of the children’s books I grew up with, like Charlie and the Chocolate Factory and The Phantom Tollbooth.” — Rick Riordan, author of the Percy Jackson series (on book 1)

“Like the Potter books, this story goes beyond mere adventure.” — Booklist (on book 1)