Under the pseudonym HARUN YAHYA, the author has released numerous books and booklets regarding faith and Quranic topics. The books of the author that have been published till now are; "Ever Thought About the Truth", "Devoted to Allah", "Abandoning the society of ignorance-Jahilliya", "Paradise", "Theory of Evolution", "Moral Values of the Qur'an", "Quranic Index", "The Hegira in the Qur'an", "Hypocrites in the Qur'an", "Communicating the Quranic Message", "Basic Concepts in the Qur'an", "Answers from the Qur'an", "Death, Resurrection, Hell", "The Struggle of the Messengers", "The Apparent Enemy of Man: Satan", "Paganism", "The Arrogance of Satan", "Prayer in the Qur'an". (The pseudonym is made up of the names of 'Harun' and 'Yahya' in the esteemed memory of the two Prophets struggling against the antagonistic, distorted thought.)
Besides, the author has written the books "Miracle in Cell", "Miracle in Eye", "Miracle in Spider", "Miracle in Mosquito" which scientifically deal with miraculous creation of Allah. The author has also published books on political issues on Bosnia, and Kosovo, and also some of his articles are published in the prominent newspapers.
Harun Yahya has also published numerous books explicitly proving the existence of Allah against the Evolution Theory supported by materialistic and atheistic ideologies. "Evolution Deceit" is an important step taken in order to totally refute this false theory . "The End of Materialism", "The Collapse of Evolution: The Truth of Creation", "Microbiological Collapse of Evolution", "Collapse of Materialism", 'Darwinism: The Greatest 'Scientific' Fallacy", "The Fallacies of the Evolutionists", "Secrets of Atom", "Destruction of the Societies", "For the Man of Understanding" are his booklets which again refute the evolution theory.
The common purpose in all these studies, is to convey the message of
the Qur'an, and thus to encourage people to think on basic, faith related
issues such as the existence and unity of Allah, and the Hereafter.