To crack a secret code, Mac follows the clues to France and Japan where he must use his gaming skills and defeat his enemy, the KGB Man.

Despite his heartbreak at losing the love of his life, Holly, nineteen-year-old Jackson throws himself into his role as an agent to Tempest, the shadowy division of the CIA that handles all time-travel-related threats, but Eyewall, an opposing division of the CIA, puts the lives of both Jackson and Holly at risk again.

"This New York Times bestselling mystery series continues as American-born codebreaker extraordinaire, Maggie Hope, returns to England to continue her intelligence work during World War II. England, 1942. Great Britain and the U.S. have joined forces to fight the Nazis. In London, Maggie Hope takes on the biggest challenge of her career: finding a killer who models himself on Jack the Ripper--and who targets female intelligence agents...like Maggie"--...

"Ben Ripley and his friends are training in Alaska when Cyrus Hale is kidnapped by his old Russian nemesis. Ben, Erica, and the others mount a rescue mission, but events quickly spiral out of control in a plot involving the secret history of US-Russian relations, a young KGB agent with skills to rival Erica's--and lots and lots of bears" --

Cammie Morgan wakes up in an alpine convent and realizes that she has no memory of the several months that have passed since she left Gallagher Academy to protect her friends and family from an ancient organization known as the Circle of Cavan.

When CIA agent Janessa Rogers meets the royal family of Meridia on assignment, she expects to use her skills in linguistics and security detail to proect and serve.

"A novel based on the real life story of socialite spy Nancy Wake, the astonishing woman who killed a Nazi with her bare hands and went on to become one of the most decorated women in WWII"--

Led by Duncan "Gluestick" Dewey, the NERDS team uses brain power and courage rather than gadgets when they face off against supervillian Simon, his band of savage squirrels, and Albert, a middle-aged computer genius who lives with his mother.

Special agent Tommy Carmellini attempts to infiltrate a group of political leaders in order to find the person responsible for leaking key information to Al Qaeda leader Abu Qasim and track down Qasim before the terrorist can unleash further destruction on the world.

In seventeenth-century China, orphaned ShaoShu, who can squeeze into small spaces, puts his life in danger when he becomes a spy for a young band of warrior monks known as the Five Ancestors and bravely infiltrates evil Tonglong's camp.