Fenner burned Rosenfeld’s message, reminding himself wryly that he was behaving in the very best tradition. This was a game not too difficult to learn, he thought. A game? A game in deadly earnest. A vacation in Venice that was grim business. A girl constantly beside him who wasn’t his. How the hell had he walked into this upside-down world? Where, he wondered suddenly, would Venice lead? 

In 1945, with their thousand-year empire falling around them and the Allies on their heels, the Nazis hide a sealed chest in the dark, forbidding waters of the Finstersee—a lake surrounded by the brooding peaks of the Austrian Alps. There it lies for 21 years, almost forgotten, until a British agent decides to raise it from the depths. The secrets he uncovers are far-reaching and lethal, and in Salzburg, Bill Mathison, a New York attorney on the trail of a missing colleague, finds himself drawn into the shadowy underworld of international espionage.

A phone call prompts Bill Lammiter, a young American playwright, to follow a former girlfriend to Rome. There, Lammiter saves a mysterious Italian girl from a beating and the fat is in the fire. A kidnapping, a battle in a Renaissance villa, a shrewd gamekeeper, a chance snapshot and a touring preppy contribute to the excitement and suspense of this Cold War thriller.

New York art expert Colin Grant is sent to Vienna and bid on a priceless Old Master on behalf of a Texan millionaire. No sooner has Grant landed in Austria than his seemingly simple assignment turns into a nightmare, as he finds himself at the center of a conspiracy to unleash a wave of international terrorism.

Under the Mediterranean sun, a drama begins in a café in Málaga. For Ian Ferrier, an employee of the United States Space Agency on holiday to visit his old friend Jeff Reid, it means the startling discovery that Reid is not just a wine exporter, but rather engaged in smuggling communist defectors to the West. Events take a turn for the worse when Ferrier, a stranger to the deadly world of espionage, must take sole charge of a high-ranking KGB agent. Alone in an frighteningly alien landscape, he can afford no mistakes when choosing whom to trust …

Chuck Kelso is an idealist. When he steals a top-secret NATO memorandum, he only intends to leak it to the press; but it is soon in the hands of a Russian agent, a man who has spent nine years quietly working himself into the fabric of Washington society. Within hours it has reached the KGB, and the CIA’s top man in Moscow has had his cover blown. For British agent Tony Lawton, hunting down the Russian operative—the "agent in place"—is a welcome challenge. But for Chuck’s brother, the journalist Tom Kelso, and his beautiful wife, Thea, the affair has unleashed a very special terror.

When journalist Karen Cornell is invited to a peace conference in Prague, she only goes on the understanding that she will be granted a valuable interview. Instead she finds herself chosen for a more hazardous task: carrying top-secret documents from a potential Czech defector back to Washington. With the papers safely in the hands of Peter Bristow, the one CIA man Karen can trust, she is sure her part in the drama is over, but soon she is pulled into an astonishing web of blackmail, assassination and treason at the highest level. 

Adam Deveril, the new Viscount Lynton and a hero at Salamanca, returns from the Peninsula War to find his family on the brink of ruin and the broad acres of his ancestral home mortgaged to the hilt. It is Lord Oversley, father of Adam's first love, who tactfully introduces him to Mr Jonathan Chaleigh, a city man of apparently unlimited wealth with no social ambitions for himself, but with his eyes firmly fixed on a suitable match for his one and only daughter.

Linda Martin understands what is to be lonely: her parents died when she was young, and she was raised in an orphanage. When she is hired as a governess to the orphaned young Philippe, Comte de Valmy, Linda finds a kindred spirit in the lonely little boy. But Philippe is the heir to a vast estate in Savoy, and his dangerously handsome uncle may be willing to kill to ensure that Philippe never inherits it.

The Honourable Christopher Fancot, on leave from the diplomatic service in the summer of 1817, is startled to find his entrancing but incorrigibly extravagant mother on the brink of financial and social ruin - and more than alarmed to find that his twin, Evelyn, has disappeared without trace. Christopher - Kit - is forced into an outrageous masquerade by the tangled affairs of his wayward family: his rigid uncle, Lord Brumby; the surprisingly wily Sir Bonamy Ripple; the formidable old Lady Stavely and Evelyn's betrothed, Cressy.