This document provides an introduction and preface to a book about calling people to Islam (ad-Dawah ilallaah). It discusses seven pillars that are essential for a correct call to Islam: 1) having knowledge of what is being called to, 2) acting in accordance with it, 3) having pure intentions, 4) beginning with the most important beliefs and duties, 5) persevering patiently in the face of hardships, 6) using good manners, and 7) remaining hopeful that the call will be effective. It notes the Messengers of Allah as the best examples to follow in their preaching methods.