Feyre returns to the Spring Court on a reconaissance mission about the invading king. As a spy, the future of the entire kingdom may rely on her ability to play her part perfectly, and her decisions about who to trust and which allies are best will decide the outcome of the coming war.

From his 1776 Pennsylvania homestead, thirteen-year-old Samuel, who is a highly-skilled woodsman, sets out toward New York City to rescue his parents from the band of British soldiers and Indians who kidnapped them after slaughtering most of their community. Includes historical notes.

While working with the Australian Secret Service on a dangerous mission, teenaged spy Alex Rider uncovers information about his parents.

In a world where magic can be bottled and power sipped, seventeen-year-old Ingrid Ellis tries to rise in society on the arm of Lindon Holt, but when she agrees to spy on his father's political opposition in exchange for his approval, she begins to question where her true allegiances lie.

"Charlie Thorne must search for Charles Darwin's hidden treasure in South America--with plenty of enemies hot on her trail"--

The spies must travel to a Transylvanian beauty convention on Halloween to rescue the kidnapped ambassador.

While trying out the spy glasses, spy hat, and other items in their new spy kit, seven-year-old Henry and his dog Mudge make a new friend and form a spy club.

In 1775, in Boston, Massachusetts, as the British siege brings increasing hardships and growing resentment to the community, eleven-year-old Kate decides to go against her Loyalist parents and help her cousin spy for the Patriots.

In 1862, in Cincinnati, Ohio, as the Civil War progresses, eleven-year-old Daria and her twin brother, Andrew, begin to suspect that one of their mother's boarders is a Confederate spy.

Barbie and her gymnast friends are recruited as spies to help stop a jewel thief and foil a dangerous plot.