Why I Chose Islam: A story of a priest who reverted to Islam, it is based on a True Story.
Author: M. Emery
Publisher: Islamic Propagation Office in Rabwah
An informative and detailed guide to new Muslims discussing the main pillars of Islam, Faith, as well as various commandments and prohibitions in Islam.
Author: AbdulRahman Bin Abdulkarim Al-Sheha
Publisher: Islamic Propagation Office in Rabwah
Source: http://www.islamhouse.com/p/1383
Compassionate Among Themselves Mutual Compassion between Members of the Prophet’s Household and the Rest of the Companions: A brief book on the Prophet's Household and the Companions in the light of Glorious Quran and Sunnah.
Concept of God in Major Religions.
Author: Zakir Naik
The source of all evil is the deviation from the truth and its straight path. The goodness of all matters is the following of truth and adherence to its right way. Truth is the fixed state in which Allah has created every creature in a particular way and managed its affair in a certain manner. Allah is Perfect and exempt from any deficiency or error. This book aims to elucidate the pillars of Imaan (basis of belief, faith) and the characteristics of Kufr (disbelief) and its causes.
Author: Sheikh-ul-Islam ibn Taymiyyah
A nice discussion of some important points needed by those callling to Islam
Source: http://www.islamhouse.com/p/1243