The permissible and prohibited types of waseelah
Author: Naasir Bin Abdulkarim al-Aql
Publisher: Daar Al-Watan
Source: http://www.islamhouse.com/p/1297
According to Biblical scholars and the text of the Bible itself, Shaikh Ahmed Deedat explained in detail regarding "Is the Bible God's word?"
Author: Ahmed Deedat
Concept of God in Major Religions.
Author: Zakir Naik
This short booklet is a translation of a khutba (sermon) delivered by Shaykh Muhammad ibn Salih on the 12th of Muharram in the year 1411AH. Which has been published in Arabic under the title: Athar ul-Ma’aasee ‘ Alal Fardi Wal Mujtama.’
Author: Muhammad Salih Al-Munajjid
The story of one of the Companions search for the truth.
Author: Dr. Saleh As-Saleh
Source: http://www.islamhouse.com/p/1225
A nice discussion of some important points needed by those callling to Islam
Source: http://www.islamhouse.com/p/1243