Now in paperback, the third book in the New York Times bestselling series. When an unexplained blackout engulfs Stonetown, Reynie, Kate, Sticky and Constance must unravel clues relating to a nefarious new plot, while their search for answers brings them closer to danger than ever before. 'Stewart keeps interest high throughout the journey with first-rate brainteasers, interludes of physical danger, and the children's own complex dynamics."-Horn Book.
