The Mysterious Benedict Society and the Prisoner's Dilemma is the third book in the Mysterious Benedict Society series. The name refers to a social experiment conducted in the beginning of the book.
The book begins with Reynard "Reynie" Muldoon and Constance Contraire. Both are locked in the sweltering third floor of the house of Mr. Benedict.They are playing a game known as "The Prisoner's Dilemma" (as a lesson), but has been adapted by Mr. Benedict to make the game seem real. Instead of prison sentences, Reynie and Constance (and George "Sticky" Washington and Kate Wetherall, the other members) are sentenced to kitchen duty. Reynie is unable to decide which option to choose: both options A and B could make he and Constance do a lot , some, or no kitchen duty, depending on which option Kate and Sticky had chosen.
Suddenly Kate and Sticky arrive through the heating vent. They, per Reynie's instructions, hide behind the door, when the "jailer", Rhonda, comes in, they then lock her inside, much to the fury of Number Two, Rhonda's adopted sister.
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