Tawheed, the oneness of God, is the core of the Islamic faith. Mankind is assigned the duty of implementing this concept on earth in every walk of life since the days of Adam. However, Satan spares no effort to distract mankind from the guided path. This book points out and clarifies this concept
Author: Abu Ameenah Bilal Philips
Publisher: International Islamic Publishing House
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
The book begins with a discussion of the sacred nature of Makkah Al-Mukarramah, the boundaries of the Haram (Sanctuary) and its sanctity. Then it discusses the superiority of Makkah and narrates Ahadith to that effect. Then it mentions the names of Makkah and the significance of these names. This book also speaks of Ibrahim (Abraham) and Isma'il (Ishmael) (peace be upon them) and their connection to Makkah and its sanctity and development.
Various Prohibitions regarding Speech.
Publisher: Islamic Propagation Office in Rabwah
Source: http://www.islamhouse.com/p/1239
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
The Fatawa's of Shaikh-ul-Islam Ibn Taymiyyah (Rahimahullah). Though he preferred the Hanbali school of jurisprudence, he was never biased in favor of it, he frequently quotes the opinions of all four of the well-known schools of jurisprudence, even others. In a number of matters, he himself held opinions different from those of the four schools.
Author: Sheikh-ul-Islam ibn Taymiyyah