Below is the complete list of Jack Slater (Jason Trapp)’s Jason Trapp books in order. For this series, the chronological reading order is the same as the order of publication.
Publication Order of Jason Trapp Books
About Jason Trapp
Jack Slater’s Jason Trapp series is a contemporary espionage and action-thriller sequence built around a former CIA covert operative whose codename, Hangman, reflects the reputation he earned carrying out assignments most people were never supposed to know existed. Beginning with Dark State, originally published as Deep State, the novels move through intelligence conspiracies, terrorism, political assassination, military conflict, cyberwarfare, organized crime, and international power struggles. Although Trapp’s history and relationships develop across the series, Slater structures the principal thrillers so individual missions can also be read independently.
Trapp is introduced as a man who has already spent years operating outside ordinary rules. He has worked in the clandestine world where governments require dangerous problems to disappear without public explanation, and that experience has made him both exceptionally capable and deeply suspicious of institutions that claim to be acting in the national interest. His skills encompass surveillance, weapons, infiltration, combat, and the practical instincts needed to survive when formal support disappears.
Dark State places that distrust at the center of the series. Trapp is drawn into a conspiracy reaching deep into American power structures, establishing a pattern Slater repeatedly revisits: threats that initially appear foreign or straightforward frequently turn out to involve compromised officials, intelligence failures, hidden alliances, or people pursuing private agendas behind legitimate institutions. The series consequently treats espionage as a world where identifying the enemy can be harder than defeating one.
The prequel Hangman later reaches back into Trapp’s earlier life and shows the development of the operative readers encounter in the main sequence. Set before Dark State, it explores the period when he was not yet the fully formed CIA asset whose reputation precedes him. This makes it useful background for understanding his codename and the personal losses that contribute to his later character, although it was published after several of the main novels and is generally treated as an origin story rather than Book 1.
As the series expands, Trapp’s assignments range far beyond Washington. Slater moves him through Europe, Latin America, Russia, the Middle East, Asia, and other geopolitical flashpoints, using each location to change the nature of the immediate threat. Some missions involve covert networks and assassinations; others move toward military action, emerging technology, state-sponsored operations, or crises capable of destabilizing governments. The scale can become international, but Trapp’s approach remains intensely personal: once he identifies who is responsible, he tends to pursue the problem with little patience for bureaucratic hesitation.
Recurring allies help prevent that constant movement from making the series feel disconnected. Intelligence officers, operatives, and people who have survived earlier missions can return in later books, while organizations and adversaries sometimes cast shadows beyond a single installment. Trapp’s loyalties become particularly important because his profession depends on secrecy; the people he trusts form a much smaller circle than the institutions supposedly supporting him.
The series has continued steadily, reaching Patient Zero as its twelfth numbered installment in March 2026. That novel pushes Trapp into a bioweapon crisis involving Tibet and China, showing Slater continuing to adapt the character to new forms of geopolitical danger rather than confining him to the conspiracies that launched the series.
What gives Jason Trapp its continuity is the tension between a man trained to serve his country and his repeated discovery that governments, agencies, and officials can be as dangerous as declared enemies. Trapp may operate as a weapon, but the defining question is usually who deserves to point him—and what happens when he decides the answer for himself.