A book in English presents the basics and fundamentals of Islam in a brief and simplified way. Islam teaches us that the gateway to a happy, content, and eternal life is through believing in Allah, the One True God, and His final Prophet Muhammad, and pronouncing this testimony, “I testify that there is no god but Allah, and I testify that Muhammad is the messenger of Allah.”

Islam answers humanity’s most critical and significant questions, such as:  What is the truth?  Who created us?  Is there a God?  Who is our true God?  Who is God’s final prophet?  Whom should we worship?  Who are we?  Why are we here?  What happens after we die?  What will the next life be like?  What is our final destination – Paradise or Hellfire?  How can we attain true peace of mind, success, and real happiness?  How can we gain eternal life?

Important book the author says in his introduction "Here I reproduce all these facts as deduced from one of the most important books of the Shi’a, upon which they rely heavily to prove their faith. I appeal to every Shi’a to look into these facts with all sincerity and justice and to give his judgement after that about his faith and his attribution to it. If his judgement is in favor of his religion and the soundness of its attribution to it, he could carry on with his beliefs. On the contrary, if he comes to conclude that his belief is totally false and all what is attributed towards it is abhorrent, it becomes incumbent upon every Shi’a in order to be sincere to himself and to seek his salvation to abandon it, and absolve himself from it and let himself be accommodating to what has been accepted by the millions of the Muslims i.e. the book of Allah and the Sunnah of his Messenger (SAS)."

this book talk about definition of debate and its objectives; then describe briefly the causes of differences of opinion among people. After that, it will discuss the main principles and rules of debate. and conclude with the moral guidelines of debate., and containing the following elements: 1) Introduction to debate and its objectives. 2) The cause of differences in opinion between people. 3) A total explanation of rules of debate and its principles. 4) The explanation of its rules and characteristics.

In this book, the author mention some provisions relating to Muslim women in brief, like : - Legal Rulings Regarding the Muslim Women. - Rights of the Woman on Her Husband. - The Veil (Hijab). -Legal Rulings on Menstruation and Post-Partum Bleeding.

Constantine’s conspiracy against monotheists

Reviving the Abandoned Sunnan

100 tweets written in English by Dr. Naji Ibrahim al-Arfaj, may Allah reward him. These tweets address the non-Muslims with facts about Prophet Muhammad, Peace Be upon Him and His life.

if people knew Allah pretty well, they would obey Him and seek to attain the Good pleasure of Him, but the demons of mankind and the jinn do everything in its power keeping people away from knowing Almighty Allah the creator. The Almighty Allah has introduced Himself to us in His holy books which was revealed to His Messengers and was completed by the Holy Quran, through the Seal of all Messengers of Allah, Muhammed, pbuh). with the aim of introducing Islam to the mankind through all available means, We published this book in keeping with the spirit of the age, this book contains 100 tweets introducing Allah the Lord of the heavens and of the earth to Non-Muslims in English language by Dr. Naji al-Arfaj. Osoul center cared about this book in terms of appearance and design in order to be prepared for printing and publishing.

A book translated into Japanese and excerpted from the book "Summarized Islamic Fiqh" of Sheikh Muhammad ibn Ibrahim Al-Tuwajre (may Allah preserve him). It includes the virtues of some Islamic acts and concepts as: Belief in Allah, the Quran, morals, and acts of worship along with some related matters.

A useful book in Hungarian for anyone interested in comparative religion. In this book, he will find many surprises that challenge what many once believed as absolute truths. This book has been written as the result of dialogues the author had with a Christian clergy as well as laity. The discussions were polite, pleasant, friendly, and constructive without the slightest intention of hurting the religious feeling of any Christian. It is just a challenge to Christianity. It is indispensable for those looking for the truth and those studying comparative religion.

A small book in Ukrainian answers 32 questions based on Quranic verses. It answers questions about Allah, the true creator, previous nations, meaning of worship, saving Quran from corruption, Prophets Muhammad and Jesus (peace be upon them both), Hereafter, and destination of both believers and disbelievers.

A book in Finnish relates the story of the Prophet's companion Salman, the Persian, who was searching for the authentic religion until he met the Prophet Muhammad (peace and blessings of Allah be upon him).

A book in Ukrainian confirms that ethics and values have supreme prestige in Islam, for they are the essence and basis for any civilization. As a matter of fact, if they disappear one day, man will lose the moral warmth which is the spirit of life and existence and will no longer know the benefit and real purpose of his existence.

A book translated into Hungarian contains a very interesting dialogue between an atheist professor and a Muslim student regarding some principles in Islamic belief. The student succeeded in refuting wrong believes spreading all over the world through proving the Islamic belief based on irrefutable evidences. He discussed in detail the issue of Allah’s existence.

A small book in Hungarian answers 32 questions based on Quranic verses. It answers questions about Allah, the true creator, previous nations, meaning of worship, saving Quran from corruption, Prophets Muhammad and Jesus (peace be upon them both), Hereafter, and destination of both believers and disbelievers.

A book in Greek talks about women's rights historically in different religions such as Christianity, Judaism, Hinduism and Islam, and how Islam gave them their rights that they did not obtain under any religion or any era before. Even in Europe, they could not obtain some of their rights until after 19th century where people debated about whether women are even humans. This book clarifies the reasons for European women's desire to convert to Islam after getting rational answers to their questions from it.

A small book in Romanian answers 32 questions based on Quranic verses. It answers questions about Allah, the true creator, previous nations, meaning of worship, saving Quran from corruption, Prophets Muhammad and Jesus (peace be upon them both), Hereafter, and destination of both believers and disbelievers.

A book translated into Ukrainian contains a very interesting dialogue between an atheist professor and a Muslim student regarding some principles in Islamic belief. The student succeeded in refuting wrong believes spreading all over the world through proving the Islamic belief based on irrefutable evidences. He discussed in detail the issue of Allah’s existence.

A short book in English in which the author discusses the internal conflict from which new Muslims suffer at Christmas time. They have been accustomed to celebrating this holiday with their families and friends for religious and cultural reasons for most of their lives. This book helps and guides new Muslims to understand and deal with this problem.