After the death of the uncle who had been his guardian, fourteen-year-old Alex Rider is coerced to continue his uncle's dangerous work for Britain's intelligence agency, MI6.

After being told that his father was an assassin for a criminal organization, fourteen-year-old Alex goes to Italy to find out more and becomes involved in a plan to kill thousands of English schoolchildren.

Reluctant teenage-spy Alex Rider, on a routine mission at the Wimbledon tennis championships, gets caught up in Chinese gangs, illegal nuclear weapons, and the suspect plans of his Russian host, General Sarov.

After recovering from a near fatal gunshot wound, teenage spy Alex Rider embarks on a new mission to stop a group of eco-terrorists from sabotaging the launch of the first outer space hotel.

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.

Eight years after being kidnapped Addie Webster, now sixteen, resurfaces under mysterious circumstances, significantly changed, and her childhood best friend, Darrow Fergusson, is asked by a national security advisor to spy on her to uncover whether she is a threat to her father's Presidency or the nation.

Alex Rider crash lands off the coast of Australia where he is recruited by the Australian Secret Service to infiltrate one of the ruthless gangs operating across South East Asia, and in the midst of his dangerous mission, Alex discovers information about his parents' murder.

In 1888 New York City, sixteen-year-old governess Verity Newton agrees to become a spy, whatever the risk, after learning that the man for whom she has feelings sympathizes with rebels developing non-magical sources of power, via steam engines, in hopes of gaining freedom from British rule.