"They live in the shadows, Jack and Jill, feuding twins who can never stop running. From earliest memory they've been taught to hide, to hunt, to survive. Their prowess is outdone only by Clare, who has always been mentor first and mother second. She trained them in the art of espionage, tested their skills in weaponry, surveillance, and sabotage, and sharpened their minds with nerve-wracking psychological games. As they grew older they came to question...

"An unprecedented, potentially nation-ending threat has materialized on the world stage. Though the United States has long been aware of the growing risk, the clock has now run out. With the stakes higher than they have ever been, it is time to unleash Scot Harvath. As America's top spy, Harvath has the skills and experience necessary to handle any situation, but this assignment feels different and appears doomed from the start. With democracy itself...

Silke has an unexpected opportunity to learn what happened to her parents years before when Princess Katrin asks her to stay at the palace as a spy during a visit from the rulers of Elfenwald.--

With SPYDER apparently defeated, thirteen-year-old Benjamin Ripley is hoping for some peace at spy school, but when the CIA conference room next to where Ben and Alexander are trying to explain everything to Ben's parents (no easy task) is blown up, suspicion falls on fellow trainee (and secret crush) Erica.

"Eve Duncan's daughter Jane MacGuire seems to have found a perfect life with Seth Caleb--until a ruthless madman threatens to destroy it all. Jane is an internationally renowned artist, while Seth channels his unique abilities as an agent for the MI6 intelligence service. But when Seth crosses crime lord Hugh Bohdan, he incurs the wrath of one of the world's most powerful criminal empires... one whose tentacles reach across the globe and even to the...

The CIA forces twelve-year-old Charlotte "Charlie" Thorne, a rebellious genius, to use her code-breaking skills on an epic global chase to locate Einstein's last equation before dangerous agents discover it and unlock the solution to harnessing energy.--

"A desperate sea battle; a fortune risked on the turn of a card; a duel at dawn with the loser ... Patrick O'Brian meets James Bond. The year is 1803, and the British Secret Service is contending with a belligerent France under Napoleon. The service suffers a blow in the loss of a prime agent, Thomas Grey, who-despondent at his wife's untimely death-resigns from British Intelligence and departs England for Boston, where he intends to become a lumber...