Concept of God in Major Religions.
Author: Zakir Naik
The Needs Of Humanity In The Mission Of Prophet Muhammad: This is a research that was developed to answer the Westerners who presently asking what new aspects Prophet Muhammad -peace be upon him- offered to the world?
Author: Adel ibn Ali Al-Shiddy - AbdulRazaq Maash
This treatise was prepared by the Agency of Islamic Enlightenment in Hajj. Includes a discussion about those things which nullify a person's Islam as well as common errors made by the commonfolk.
Author: Muhammad ibn Saleh al-Othaimeen
Source: http://www.islamhouse.com/p/1377
This book is one of the most important Islamic books which gives right answers about Christianity.
Author: Sheikh-ul-Islam ibn Taymiyyah
This is a useful book although it is small. It contains some technical terms for da'wah in English. No doubt all scholars and callers to Islam in English are in much need to something like that to conveys the right message of Islam to all those speak English.
A proof that the Qur'an is from God and that Muhammad is a Messenger of God.
Author: The Memphis Dawah Team
Publisher: Memphis Dawah
Source: http://www.islamhouse.com/p/1283