“This is the most important book ever written about the science of persuasion, and it just keeps getting better. I can’t imagine a more fascinating, more practical read.”

“If there is only book you ever read, if there is only one expert whose advice you’d trust, it is this book and this author, Robert Cialdini.”

“Anyone who wants their abilities in communication or negotiation to be at their highest level has to read Robert Cialdini's book “Influence.” Your knowledge base is simply incomplete without it.”

“Robert Cialdini has done the impossible: he has improved a masterpiece. The new version of “Influence” is a marvelously rich and engaging account of the subtle power that people exert on each other.”

“The clouds have parted for everyone who wants to dent the universe. A new edition of what is already indispensable just got more so.”

“A remarkable effort and achievement. Influence remains the brilliantly-written treatise on fundamental principles of human behavior, with the addition of a timely new principle.“

            “The new Influence is nothing short of a masterpiece. The writing is both timeless and worth reading immediately.”

 “If you could read just one book on how to be more effective in business and life, I’d pick INFLUENCE. It’s a tour de force that Cialdini has somehow made more marvelous.”

“In this update of his classic book, the world's most practical social psychologist shares his wisdom and reveals his charm. There's dynamite here. Please use what you learn with care!”

“Influence richly deserves its status as the definitive book on the subject. I learned so much from this revised edition, and so will you."