"Influence: The Psychology of Persuasion" is a book written by Dr. Robert B. Cialdini, a renowned psychologist and professor emeritus of psychology and marketing. The book was first published in 1984 and has since become a classic in the field of psychology, marketing, and persuasion. It explores the principles and tactics that people use to influence others and examines the psychology behind why these techniques are effective.

The book is a critical resource for individuals interested in leadership, entrepreneurship, and self-improvement because it provides a deep understanding of the psychological principles that drive human behavior, enabling them to influence others effectively, navigate business challenges, and grow personally.