The Choice - Islam and Christianity: Two Volumes, By Ahmed Deedat, An excellent book discussing Islam and Christianity in the light of Holy Quran and the Sunnah.
Author: Ahmed Deedat
Brief lessons in fiqh, da'wah (calling to Islam), Creed and hadeeth and its terminologies taught in the Educational Department of Islamhouse. They help Muslims to be aware of what he indeed needs regarding the Islamic sciences. They also give him a glimpse of qualities of the caller to Islam.
Publisher: Islamic Propagation Office in Rabwah
Hajj & Umrah from A to Z: a careful scientific approach that gradually guides pilgrims to perform the Hajj rituals very easily and smoothly. The design was developed through an educational perspective that handles all critical issues of Hajj rituals from a learners’ viewpoint, an approach that is always needed when high standards of accuracy are required.
Author: Mamdooh Muhammad
Publisher: Dar Ashbelia
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
A proof that the Qur'an is from God and that Muhammad is a Messenger of God.
Author: Abdullah Bin Abdur-Rahman AL-Jibreen
Publisher: Memphis Dawah
Source: http://www.islamhouse.com/p/1285
Many deeds through which a Muslim can earn great rewards
Publisher: Daar Al-Watan
Source: http://www.islamhouse.com/p/1319