Accused of ruining a champion dog's career after an unfortunate incident at a mall show, Luthor is sent to the pound, prompting a skeptical Griffin to hatch a daring plan involving a sinister saboteur, a reclusive trainer, and large supply of red dye.

Publisher Annotation: After taking down a mole within their organization, the City Spies are ready for their next mission-once again using their unique skills and ability to infiltrate places adults can't. The sinister Umbra has their sights set on recruiting a North Korean nuclear physicist by any means necessary, and the City Spies plan to keep an eye on his son by sending Paris to the chess prodigy's tournaments in Moscow and Beijing. Meanwhile,...

"With the Ten Men on the loose and a telepathic enemy tracking them, Kate, Reynie, Sticky, and Constance must join with a new Society member to keep their world safe."-- Provided by publisher.