At Desert Mountain Academy, sixteen-year-old Nadia Riley begins a punishing routine to become an undercover CIA agent, but when a double-agent is reported on campus, she is the top suspect.

Cammie Morgan is a CIA legacy and attends the premier school in the world...for spies. The school hosts some mysterious guests with the code name Blackthorne. When Cammie is blamed for a security breach that threatens to expose the school's top secret status, she and her friends face danger to clear Cammie's name and learn the truth about Blackthorne.

Teen spy Alex Rider is sent to a maximum security facility in Gibraltar to impersonate Julius Grief while seeking information about a new criminal organization called Nightshade.

When seventeen-year-old Cammie wakes up in a convent high in the Alps, she slowly comes to realize that she's been tortured, the last four months have been erased from her mind, and an ancient terrorist organization is hunting for her.

It is 1943, and thirteen-year-old Michael O'Shaunessey, son of the Irish ambassador to Nazi Germany in Berlin, is also a spy for the British Secret Service, so he has joined the Hitler Youth, and pretending that he agrees with their violence and book-burning is hard enough--but when he is asked to find out more about "Projekt 1065" both his and his parents' lives get a lot more dangerous.