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...

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 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...

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...

It's a race against time to rescue a kidnapped scientist in this suspenseful tale by an Edgar Award–winning author. The world is under threat of destruction. As the politicians hedge their bets with atomic weapons, it seems no one is safe. The only hope? A brilliant professor who knows how to make nations and people invulnerable to atomic attack. The only problem? Professor Julian Conway has been kidnapped by power-hungry men wishing to use...

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...

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....

International blackmailers are scheming to rupture relations between Britain and the United States-but Bill Loftus of Department Z is hot on their trail . . . With America's most powerful industrialists, British peers of the realm, and agents of unknown power all entangled in a conspiracy, international safety is at risk. But unraveling this global plot quickly becomes personal for Bill Loftus when the blackmailers murder someone dear to him. As...

An American gangster brings his bloody business to 1930s Britain in this suspenseful thriller from an Edgar Award–winning author. Amateur boxer Martin Storm's visit to New York seemed like it was a success. That is, until his car was machine-gunned and the police had to smuggle him out of the country . . . But Storm finds no safety at home, either, and the search begins to find the man who is hunting him down. He soon discovers that he...

A mysterious message signals an international threat in this World War II thriller by an Edgar Award–winning author. A French refugee is washed up on the English coast. Feverish, delirious, he babbles incoherently to the men who find him. A single phrase, repeated: "Loftus, spell it backwards." This discovery sparks an explosive reaction throughout Department Z, whose agents-including Bill Loftus-are fighting a desperate battle to uncover...