Frank Carlson Library

The first in the series featuring British intelligence's elite detectives by the Edgar Award–winning author. Millions of lives are at stake if a sinister international conspiracy succeeds. It's up to England's elite detective agency, Department Z, to make sure that doesn't happen. They've got to keep things quiet, too. Discretion is something the Hon. James Quinion knows only too well-it's all part and parcel of being a member of the secret...

From an Edgar Award–winning author: A suspenseful tale of murder and espionage in wartime England. David Garth has been off in America, giving speeches on behalf of Britain's Ministry of Propaganda. Upon his return, he's surprised to receive an unsigned invitation to an address in Wimbledon . . . and even more surprised when he's approached by two agents of Department Z. Mark and Mike Errol, agents of British intelligence's secret detective...

A terrifying international plot threatens the agents of Britain's Department Z in this tale of suspense from an Edgar Award–winning author. Leopold Gorman studies the World Economic Conference with interest-and then picks five rich and powerful men to bring his plan to fruition. If any one of them shows reluctance to fall in with his scheme, he'll be dead within the hour . . . Gordon Craigie, chief of British intelligence, is the only thing...

The detectives of Britain's Department Z look into a murder at an exclusive club. Sir Basil Riordon is mysterious, frightening, and immensely wealthy. But is he also a killer? As head of England's elite secret service, Department Z, Gordon Craigie has to find out, but it won't be an easy investigation with so many important people involved. A member of an exclusive London club has been poisoned, and Riordon or his son, Marcus, may be involved....

A World War II thriller by a multimillion-selling, Edgar Award–winning author. As plans for D-Day loom large, the agents of Department Z-a secret detective unit within British intelligence-are working overtime to halt the leaking of intelligence to Berlin. Meanwhile, three cousins undertake their own covert operation: meeting in a cottage in Guildford to discuss a dark family matter in secret. As these two seemingly unrelated events collide,...

A tale of murder and international intrigue from the multimillion-selling, award-winning author. Looking forward to a relaxing afternoon away from the trials of Department Z, Bob Kerr eagerly awaits the arrival of fellow agent Lois Dacre. He is temporarily amused by the sight of a passerby oddly dressed in an enormous fur coat on an exceptionally warm day. Then, interrupted by a call from Agent Craigie, Kerr is alerted to new developments in...

From an Edgar Award–winning author: Someone is trying to force Britain to declare war-but with what motive? British armaments are being systematically destroyed, and the list of suspects stretches worldwide. Working alongside the British government, secret service agency Department Z is struggling to find the motive for this alarming sabotage when they discover a similar series of disasters are occurring, inexplicably, in America. Tensions between...

Another in the classic series filled with mystery, murder, and British espionage from the Edgar Award–winning author. Some parts of the secret service are more secret than others, and Department Z is among them. Now, its founder, Gordon Craigie; top agent Loftus; and their compatriots must face a mysterious international organization that has suddenly gained power and infiltrated the governments of several key global powers. It already has branches...

The greed of one man leads to the death of others in this action-packed mystery featuring British intelligence's secret detective squad. When two impossibly rich oil tycoons are found murdered in their own homes, a matter of life and death becomes one of national security. Jim Burke of Department Z is called in to stop this ambitious murderer from killing again-but it isn't long before Burke's investigation is derailed by an attempt on his own life. ...

In this classic spy thriller from an Edgar Award–winning author, a British secret service agency is nearly undone by a counter-espionage attack. Superspies are out to destroy Department Z. Even worse, the elite British agency has been infiltrated by a double agent. As loyal members of the team turn against one another, Agent Gordon Craigie works to unmask the counterspy before Department Z is annihilated once and for all.