HBR Guide to Persuasive Presentations (HBR Guide Series)TAKE THE PAIN OUT OF PRESENTATIONS. Terrified of speaking in front of a group? Or simply looking to polish your skills? No matter where you are on the spectrum, this guide will give you the confidence and the tools you need to get results. Written by presentation expert Nancy Duarte, the HBR Guide to Persuasive Presentations will help you: Win over tough crowds Organize a coherent narrative Create powerful messages and visuals Connect with and engage