An excellent book regarding the greatest and most noble form of worship: du'a - a plea from the very heart of a believer directed towards Allah (swt). It is unlike any other book in its field as it deals with the nature, significance, and status of du'a in a Muslim's life. The purpose of this book is to facilitate the reader towards obtaining "practical" benefit, by applying what he reads in his daily life. This reading is essential. In this work, the author elaborates on the status, importance, and etiquette of dua' in Islam. In the most comprehensive work yet to be written in English on the topic, the author discusses, among other matters: the excellence and benefits of du'a the types of du'a the pre-conditions that are needed in order for a du'a to be accepted the recommended etiquette of performing du'a the timings and situations in which a du'a is more likely to be answered the various factors that aid or prevent a du'a from being accepted the relationship of du'a with the Divine Decree (qadr) the wisdom behind a delayed response and many other relevant topics.