Traffic Accident Investigators' Lamp Analysis Manual

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

Liespotting: Proven Techniques to Detect Deception

How Not to Die: Surprising Lessons on Living Longer, Safer, and Healthier from America's Favorite Medical Examiner

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

Dangerous Instincts: Use an FBI Profiler's Tactics to Avoid Unsafe Situations

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

I, Spy: How to Be Your Own Private Investigator

THE HATE TRAP: The Anatomy of a Forgotten Assassination

How to Spot a Liar: Why People Don't Tell the Truth . . . and How You Can Catch Them

How to Undertake Surveillance & Reconnaissance: From a Civilian and Military Perspective

Security Measures for Homes, Businesses, and Organizations

The Investigator’s Toolkit: Harnessing OSINT to Unmask Criminals

Real World SAS Survival Guide

How to Open & Operate a Financially Successful Private Investigation Business

Private Investigation and Security Science: A Scientific Approach

Minimize Injury, Maximize Performance: A Sports Parent's Survival Guide

Foam Roller Exercises: Relieve Pain, Prevent Injury, Improve Mobility