This book gives a clear explanation of the Muslim sound Creed which is the core of the religion of Islam, as the belief in Tawhid (monotheism) is the purpose for which Allah created both mankind and jinn, and thus, those whoes belief in Tawhid is corrupt, are not considered Muslims.
Author: Saleh Bin Fawzaan al-Fawzaan
These are three good books for learning Arabic Language for the non-native speakers. But we should pay your attention that they are for who has slightly good knowledge about Arabic and how to pronounce it. We don't claim that you can consider them as an alternative to a teacher but they are good step for who wants to be excellent at Arabic. With these books, there is an Arabic-English glossary confined to the words mentioned in these books, and the author shows in its introduction how to find any word.
This is very easy and important book which shows the shar’i rulings and their evidences. This is useful book for any Muslim hopes to abide by Islam as it should be. It contains topics e.g. purification, prayer, zakah, fasting, pilgrimage and Jihad. Afterwards, it begins to show the other rulings e.g. trade transactions, partnership, sharecropping and renting, reclamation of wastelands and possession of allowable objects, inheritance, marriage, divorce, breastfeeding, legal retribution, prescribed punishments, food, oaths and vows, and judiciary. This soft copy was not produced by Islamhouse.com but taken from one of Islamic websites.
Author: Saleh Bin Fawzaan al-Fawzaan
Jesus and Christianity In the Perspective of Islam: This book guides those who misunderstood the teachings of Jesus and Christianity in the Perspective of Islam.
Publisher: Ministry of Islamic Affairs, Endowments, Da‘wah and Guidance
This book follow the Adadith (prophet sayings) in an attempt to trace their miraculous nature from a scientific perspective so as to pave the Sunnah's way into the hearts of Muslims and non-Muslims as well.
Author: Zaqlol El-Naggar
Publisher: Al-Falah Foundation, Translation, Publication and Distribution
An overview of the rites of Hajj, Umrah, and Ziyaarah in the light of Quran and Sunnah.
Author: Muhammad ibn Saleh al-Othaimeen
Source: http://www.islamhouse.com/p/1375