Harper Business Books: Setting the Agenda on Work, Leadership, and Growth

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Book cover image: Influence, New and Expanded: The Psychology of Persuasion | International Bestseller | National Bestseller

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Book cover image: Influence, New and Expanded: The Psychology of Persuasion | International Bestseller | National Bestseller

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Robert B. Cialdini, PhD

Author Photo: Robert B. Cialdini, PhD

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