Despite the brevity and clarity of the book, it includes all useful sciences such as tawhid, fundamentals and doctrines, the science of walking and behavior to God, the science of morals and ethics, religious, worldly and medical manners, jurisprudence and rulings in all chapters of jurisprudence, and others.

Randy Levengold wrote a Porsche book in which he discussed the history and details of the Porsche to familiarize the reader with all the details of the car, in addition to building his first car, a 2.6-liter engine car for [Wanderer] and giving it a random number, Typ 7.

Greenhouse Ecology is one of Dr. Ahmed Moussa Tawagen's most famous works, due to his distinctive narrative method, as he relied on simplicity and clarity in his writings, and his book achieved wide popularity in this field.