'Outstanding. The best account I have seen on how to acquire and employ the highly desirable prize of influence. Engagingly written, evidence-based and ethically sound. This book is superb.' - Robert B. Cialdini, bestselling author of Influence: The Psychology of Persuasion

'A modern-day manifesto for an age-old and crucial skill. Practical, immediately useable tools to boost your influence without sacrificing your integrity.' - James Timpson, CEO of Timpson's and Sunday Times columnist

'A clever, entertaining jaunt through the unspoken rules which govern influence at work' - Camilla Cavendish

'Imminently practical and evidence-based, this terrific guide will help you wield more influence at work and beyond.' - Katy L. Milkman, Professor at the Wharton School and bestselling author of How To Change

'Readable, invaluable and based on the evidence. You can't ask for a better guide to influence than Steve Martin' - Tim Harford, host of BBC Radio 4's More or Less and the Cautionary Tales podcast