Scientific Methods of Inquiry for Intelligence Analysis: Edition 2

Spy the Lie: Former CIA Officers Teach You How to Detect Deception

Counterintelligence Theory and Practice: Edition 2

Liespotting: Proven Techniques to Detect Deception

Methods of Inquiry for Intelligence Analysis: Edition 3

Mossad: The Secret History of Israel's Intelligence Agency (How the Israeli Secret Service Recruit and Train Its Officers)

Mossad: Secrets of Israel's Elite Intelligence Agency (Assessing Seven Decades of the Mossad and Israeli National Security)

The CIA at War: Inside the Secret Campaign Against Terror

Hunting the lost nazi treasure

Operation Dark Heart: Spycraft and Special Ops on the Frontlines of Afghanistan—and the Path to Victory

Get the Truth: Former CIA Officers Teach You How to Persuade Anyone to Tell All

Introduction to Conducting Private Investigations: Private Investigator Entry Level (02E) (2022 Edition)

The Volunteer: The True Story of the Resistance Hero Who Infiltrated Auschwitz

The CIA: An Imperial History

The Spy Who Loved: the secrets and lives of one of Britain's bravest wartime heroines

I, Spy: How to Be Your Own Private Investigator

THE HATE TRAP: The Anatomy of a Forgotten Assassination

How to Open & Operate a Financially Successful Private Investigation Business

Target Tehran: How Israel Is Using Sabotage, Cyberwarfare, Assassination – and Secret Diplomacy – to Stop a Nuclear Iran and Create a New Middle East

SOE's Mastermind: The Authorised Biography of Major General Sir Colin Gubbins KCMG, DSO, MC