Introduction to “The A to Z of Presentations” This book will give everything you need to become a professional presenter. Whether you are giving a presentation to an important client, trying to win business from a valued customer, selling an idea to your board of senior executives, or making a farewell speech to a retiring colleague, this “A to Z ” will help you come across as someone who is knowledgeable, skilled, and enthusiastic. Ex-President Ford of the United States of America once said that being able to talk in front of an audience was the most important skill he wished he’d.