One of the works on this subject is his “al‐Fatwaa al‐Hamawiyyah” which he wrote as an answer to a question presented to him. In it, he was asked what the scholars and Imaams of the religion say concerning the Aayaat and the Ahaadeeth of the Si/aat, or the attributes and characteristics of Allah.
Author: Sheikh-ul-Islam ibn Taymiyyah
Source: http://www.islamhouse.com/p/145683
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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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As the name implies, this book discussing the Wudhu (ablution, performed before prayer) of the Messenger of Allah (saw).
Reveiwers: Muhammad AbdulRaoof
Source: http://www.islamhouse.com/p/321967
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This booklet explains the basic rights of Hajj. It also notes that the tawheed of Allah requires the Muslim to follow the perfect way of worship, demonstrated by Muhammad (peace and blessings be upon him) and as understood by the Sahaabah who were the best of mankind.
Publisher: http://www.al-jumuah.com - Al-Jumuah Magazine Website
Source: http://www.islamhouse.com/p/185439
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This book is published on the shoulders of those people who have volunteered their personal stories of how they entered Islam. If you, the reader, are open to the possibility that Allah, the Creator, has given you clear evidence to accept Him and His message of Islam, then read these stories. From different backgrounds, and different experiences, you just might find someone here who had the same questions and doubts that you may have. Many of these people have endured against tremendous obstacles, including parental opposition, despair with other religions, being blind, and being lied to about the true nature of Islam.
Source: http://www.islamhouse.com/p/283493
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This colorful book is for non-Muslims who would like to understand Islam, Muslims, and other facets of Islam.
Author: I. A. Ibrahim
Publisher: http://www.islam-guide.com - Islam Guide Website
Source: http://www.islamhouse.com/p/1221
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