The author said in its introduction, "Nothing offends more the Christians than to cast doubt about the doctrine of the Trinity, the fountainhead of their faith. Since I grew up as a Christian, I know by heart that it will surely injure a devout follower of Christianity something he knew as true. But to lend a blind eye when I know better is far from righteousness since I am bound by the God's Commandments to guide those mislead by the false doctrine. It is a basic right of every individual to know the truth that will lead him to the right path.
Source: http://www.islamhouse.com/p/322142
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Faith in the sense of belief is based on six principles, which are mentioned in the hadith of Jibreel (peace be upon him), when he questioned the Prophet (peace and blessings of Allah be upon him), who said: “Faith means to believe in Allah, His angels, His Books, His Messengers, the Last Day, and the Divine Decree, both good and bad.” (Agreed upon). This series explain those articles of faith in detail.
Author: Mahmoud Reda Morad Abu Romaisah
Publisher: Cooperative Office for Propagation, Guidance, and Warning of Expatriates in the city of Salay, Riyadh - A website Islamic Library www.islamicbook.ws
Source: http://www.islamhouse.com/p/324754
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Take your Belief from the Quran and Sunnah: a booklet containing important questions of religious beliefs, the writer replied it was seeded with evidence from the Quran and Sunnah; to reassure the reader to answer correctly; because the doctrine of unification (Tawheed) is the basis of His Excellency rights in this world and the Hereafter.
Author: Muhammad Jameel Zeeno
Publisher: http://www.saaid.net - Saaid Al Fawaed Website
Source: http://www.islamhouse.com/p/162054
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Kitab At-Tawheed is one of the best books on the subject of Tawheed (Islamic Monotheism) and ranks high in authenticity. Till date it has gone through various publications; and had been the means for guidance of the millions of people throughout the world; by taking them out of the darkness of polytheism and error.
Author: Muhammad Bin Abdul Wahhab
Publisher: http://www.islambasics.com - Islam Basics Website
Source: http://www.islamhouse.com/p/128600
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Author: Mane' Bin Hammad Al-Juhani
Source: http://www.islamhouse.com/p/191245
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People of Sunnah, be kind with one another
Author: Abdul-Muhsin Bin Hamad Al-Abbad Al-Badir
Translators: Tarik Preston
Source: http://www.islamhouse.com/p/51823
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