In Olive's third adventure in the New York Times bestselling Books of Elsewhere series, what lurks below the house could be as dangerous as what's hidden inside

The Royal Four Series.

As 13-year-old Ben, a student at the CIA's academy for future intelligence agents, prepares to go to spy summer camp, he receives a death threat from the evil o

Odette Brailly entered the nation's consciousness in the 1950s when her remarkable - and romantic - exploits as an SOE agent first came to light. She had been t

Silver was the codename for the only quintuple spy of the Second World War, spying for the Italians, Germans, Japanese, Soviets and the British. The Germans awa