Colonel Butler is sent on a walking tour of Hadrian's Wall as a stalking horse by David Audley. They are trying to flush out foreign agents who are systematically ruining the careers of Britain's most promising students and young academics. Read More...

The excavation of Philip Masson's body near Mrs Griffin's cottage resurrected several old ghosts. Rumours abounded, and young Jenny Fielding, asked to investigate, had heard one that David Audley was involved. A labyrinthine trail leads Jenny to a Spanish battlefield and the knowledge why Philip Masson had to die. Read More...

Germany 1944. The Allied invasion is not far away - and the high command desperately needs to know where it will take place. It is time to activate one of Hitler's last spies in Britain - Catherine Blake, a 'sleeper' introduced by German Intelligence before the war, awaiting her orders. Read More...

Emily Pollifax, widowed, kids grown up, bored. So she joins the CIA. Of course. Next mission: Turkey. Read More...

'Lie low, wait, do nothing until you hear from us. First you must establish yourself..' Since these words, nearly thirty years ago, James Fenn - hero of the 1956 Hungarian uprising, one-time top Fleet Street journalist and KGB 'sleeper' agent - has been waiting to be called. From his Mediterranean island home he has almost forgotten his Soviet masters. Read More...

It wasn't just a tank, it was the next generation Main Battle Tank with a radically new gun - and the Ministry of Defence had lost it. Or rather, the Jordanian Army had, for they had been lent it in the hope of an export order, and the tank had vanished in a revolt by an armoured brigade in the desert near the Gulf of Aqaba. Major Harry Maxim. Read More...

Harry Pendel, Jewish-Irish foster child, is the charismatic proprietor and guiding genius of Pendel and Braithwaite Limitada, Tailors to Royalty, formerly of Savile Row, through whose doors passes everyone who is anyone in Central America. Andrew Osnard, mysterious and fleshly, is an Old Etonian and spy. His secret mission is two-pronged: .. Read More...

Mahmoud said: "It is a time of calling in the debts. All over the city, it is a time when debts must be paid." January 1942. Rommel's seemingly invincible Afrika Korps is at the gate of Egypt, perhaps soon to threaten Cairo itself. In the heady confusion of war, rumours and counter-rumours flow thick and fast. But one thing is certain - Rommel has a spy in the city; a source so well-informed that the German commander knows, in advance, every movement of the forces that oppose him. Read More...

As church bells triumphantly ring in the new century, Veronica Winter - an American by birth, upbringing and instinct - bears her German husband a second son. This boy Paul and his brother Peter are the central characters in a complex and tragic family drama, which begins with an enchanted childhood and ends in the courtrooms of Nuremberg. Read More...

Bernard Samson plods through a snow blizzard in Washington DC, and he's not enjoying it. Old pals are not as friendly, colleagues not so confiding as they used to be. Or so it seems to him. Things have not gone really well for Bernard Samson since his wife, Fiona, defected three years ago. It was a rejection on several levels, and Samson - tough, cynical and macho - finds rejection difficult to contend with. Now, after his trip to Washington, his life becomes even more precarious. Read More...