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.

In Cambridge, England, Madeleine Tully is still working to gather the Royal Family, and get them back to their parallel world--but in Cello, Elliot Baranski is being held captive, the Hostiles are working against the Royal Family, and the World Severance Unit is trying to stop all contact between Cello and the World for good.

Sixteen-year-old Gwyneth Shepherd unexpectedly travels through time to the eighteenth century, and she must find out why her mother lied about her date of birth to hide her ability, research her history, and work with Gideon, another time traveler.

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.

Follows the journey of the series' protagonist Harry Potter as he attempts to bring an end to his archenemy, Lord Voldemort.