This is an important epistle written by Imam Muhammad Ibn AbdilWahhab Ibn Soulayman Ibn Ali At-Tamimi, may Allah have mercy on him, about the conditions of prayer, its pillars and its obligations. After authentic belief, the rules of prayer are among the most important things for any Muslim to know.This epistle is simple and concise, its study is a good approach for a beginner wishing to learn these basics essentials about prayer.