The thrilling Department Z series continues as an assassination attempt leads to political turmoil-from the author who sold eighty million books worldwide. Agent Gordon Craigie faces a crisis of international proportions when an attempted assassination of a Russian diplomat at a top-level international conference in London threatens negotiations. Craigie and the Department Z team must work to ensure the safety of all the delegates whilst investigating...

Department Z faces its biggest test when the organization is threatened by an enemy on the inside-from the author who sold eighty million books worldwide. Charles Corliss, son of a murdered agent from Department Z, seems like the perfect recruit for the ultra-secret spy organization. But when things start going seriously wrong, the agents begin to suspect this charming young man is not as loyal as he first seemed. Filled with hate for the organization...

Department Z must stop the Nazis from deploying a deadly chemical weapon during World War II-from the author who sold eighty million books worldwide. On a top-secret island, the Germans are perfecting a paralyzing gas-one that could disable an entire infantry troop, a crew of a ship, or the pilots of aircraft. With the looming threat of this noxious gas, it's up to Department Z to find this mysterious island where the gas is being manufactured and...

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,...

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: 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...

A mysterious symbol is the key to a murder case in this classic suspense tale by the Edgar Award–winning author. Gordon Craigie and Department Z-the squad of top-secret detectives within British intelligence-are embroiled in a desperate investigation involving drugs and murder. How will the department uncover who is behind the mark of the crescent? Will they solve the case before the anonymous culprit claims another victim? The trail starts...

The adventure that brought two intrepid cousins into the service of the department of British intelligence known as Z . . . Desperate to escape the suffocating heat of London, cousins Mark and Mike Errol set out for Richmond for a relaxing boat ride. Little did they know their peaceful afternoon would be violently interrupted by a Department Z mission that would completely change their lives. Quickly recruited into the secret agency, the Errols...

A thrilling mystery set against the backdrop of the Blitz in WWII England, by an Edgar Award–winning author. England, 1941. Terror from the Germans' constant bombing is spreading through the nation, as homes, cities, and morale are reduced to little more than rubble. Worn down and defeated, British spirit teeters on a delicate seesaw. When an insidious enemy strikes from within, the government is blindsided. Vital food supplies are destroyed...

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...