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
A most rewarding and fulfilling part of a Muslim's worship are those blessed moments that he spends praying in the depth of the night, privately addressing his Great Lord, sincerely glorifying Him, humbly imploring Him - beseeching His forgiveness and asking Him for favors. The voluntary "night prayer", or qiyaam, is indispensable for a person's moral, spiritual, and physical welfare. Yet, it is greatly misunderstood and largely neglected by most Muslims
Author: Muhammad Naasiruddeen al-Albaanee
Translators: Abu Maryam Ismaeel Alarcon
Concept of God in Major Religions.
Author: Zakir Naik
This booklet will open before you a new dimension of thinking, and will enable you to realize the importance of your role as a human being in this universe, to help you understand the relationship between you and your Creator, God Almighty Allah. It presents Islam to you in a clear way, and provides straightforward answers to many questions about Islam and its credibility.
Author: Mahmoud Reda Morad Abu Romaisah
Reveiwers: Muhammad AbdulRaoof
Publisher: International Islamic Publishing House
Various Prohibitions regarding Speech.
Publisher: Islamic Propagation Office in Rabwah
Source: http://www.islamhouse.com/p/1239
A description of Death, the Life of the Grave, and the Day of Judgment.
Publisher: Islamic Propagation Office in Rabwah
Source: http://www.islamhouse.com/p/1229