This book is a practical guide to learning how to communicate with people and influence them. Its author, a former FBI agent, specialized in behavioral analysis, training, and hiring agents. The book is for everyone who wants to make new friends or strengthen existing relationships, make casual encounters more pleasant, and for those who want to earn more tips and bonuses. Jack Schafer is a former special agent of the FBI, a professor of psychology, and a consultant. For more than fifteen years, he worked on counterterrorism research and analysis, and trained special agents in techniques of influence and persuasion. Early in his FBI career, he managed to work as a pilot and as a Korean-language specialist. Author of six books and numerous articles in academic and popular journals (including Psychology Today). Professor at Western Illinois University. His company, Schafer and Associates, trains employees of law enforcement agencies, lawyers, and security service personnel. Marvin Carlins is a professor of management at the University of South Florida; he earned his PhD in psychology at Princeton University. Author of 24 books, including the bestsellers What Every Body Is Saying (published in Russian under the title “I See What You’re Thinking”) and It’s a Jungle in There, and more than 200 articles in professional, academic, and popular journals. He regularly appears on radio and television and consults major international companies. For 20 years he worked for Singapore Airlines.