The cheapest way into the Cialdini method is a paperback. Dr. Robert Cialdini's books — led by Influence, the book that named the 7 Principles of Persuasion — have sold over 7 million copies in 44 languages.
Read one for the price of a coffee or two, learn the science directly from the source, then see exactly where you stand with the Influence Assessment — your first step up the ladder to certification.
Dr. Robert B. Cialdini — author & Regents' Professor Emeritus
7M+
Copies Sold44+
Languages6
Major Titles40+
Years of Research'Influence' is one of the best business books of all time.
Warren BuffettCEO, Berkshire HathawayRobert Cialdini has had a greater impact on my thinking than any other scientist.
Charlie MungerVice Chairman, Berkshire Hathaway'Influence' is a book that made me a billionaire.
Tobias LütkeFounder, ShopifyRobert 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.
Daniel KahnemanNobel Prize Laureate and Author of Thinking Fast and Slow and NoiseThis 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.
Adam GrantNew York Times Bestselling Author of Think Again and Originals and Host of the TED Podcast WorkLifeIf you’ve got time for only one book, this is it.
Daniel H. PinkAuthor of When, Drive , and To Sell is HumanFour landmark books that define the field of ethical persuasion science — each essential reading for anyone serious about influence, and each available for less than the cost of a single business lunch.
New & Expanded Edition — 2021
Now includes the 7th Principle: Unity
The definitive work on the science of influence — and the place to start. Dr. Cialdini spent his career researching the six, now seven, universal principles that guide human decision-making. This new and expanded edition adds Unity, the seventh principle, and updates decades of research with fresh insights for the digital age. Read it first; everything the Institute teaches builds on it.
Fortune — "75 Smartest Business Books"
CEO Read — "100 Best Business Books of All Time"
Over 7 Million Copies Sold
44 Languages
A Revolutionary Way to Influence and Persuade — 2016
The secret is in the moment BEFORE the message
The secret of effective persuasion doesn’t lie in the message itself — it lies in the moment before. Dr. Cialdini reveals the art of “pre-suasion”: channeling attention and shaping the audience’s mindset before the message is even delivered. A groundbreaking companion to Influence.
Financial Times Best Business Books of the Year
Inc.com Best Sales & Marketing Book
New York Times Bestseller
50 Scientifically Proven Ways to Be Persuasive — 2008
50 science-backed techniques, immediately applicable
Co-authored with Steve Martin and Noah Goldstein, this book distills the science of persuasion into 50 short, evidence-based techniques drawn from peer-reviewed research. Practical, readable, and immediately applicable — from the boardroom to everyday life.
Co-authored with Steve Martin & Noah Goldstein
New York Times Bestseller
Wall Street Journal Bestseller
Small Changes That Spark Big Influence — 2014
Small, inexpensive changes. BIG returns.
With Steve Martin and Noah Goldstein, Dr. Cialdini uncovers over 50 small, often overlooked changes that produce outsized results. Grounded in the latest behavioral science, these micro-adjustments can dramatically improve negotiation outcomes, persuasive communication, and leadership effectiveness.
Co-authored with Steve Martin & Noah Goldstein
Over 50 small changes that spark big influence
Wall Street Journal Bestseller
The science of influence, presented for every audience — from academic researchers to visual learners.
Revised Edition
The widely adopted classic in its six-principle form: why people say yes, how to apply the principles ethically, and how to defend yourself against dishonest influence attempts.
Find This Edition→
5th Edition
The academic companion to the commercial classic. Written for instructors, researchers, and advanced students, this edition includes deeper dives into the research, additional case studies, and expanded theoretical discussion of the six principles.
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The Comic · 2012
A graphic adaptation of the international bestseller. The principles come to life through compelling sequential art — making the science of persuasion accessible, memorable, and fun for visual learners and new audiences.
Find This Edition→Most people meet Dr. Cialdini through a book, then go looking for more. The path is deliberately incremental — each step a small, affordable yes.
STEP 01
~$18
Start with Influence. Learn the 7 Principles in your own time, at the lowest possible cost.
STEP 02
Free · 16 questions
Find out which principles you already use well — and the one gap costing you the most.
STEP 03
CCP · $1,497
Turn the reading into a credential with the Cialdini® Certified Practitioner program.
The Influence Assessment turns what you've read into a personal benchmark — which of the 7 Principles you already wield well, and where your next gains are hiding — because knowing the principles and knowing your own are not the same thing.
Ready to go further? The Cialdini Certified Practitioner program and the full training ladder build directly on the books — taught by the team Dr. Cialdini trained himself.
