The Complete and Final Message to Man is a brief presentation of Islam defining its terms and teachings, followed by an advice to the Muslims and non-Muslims on following the path of the Righteous Predecessors.
Author: AbdulRahman Bin Abdulkarim Al-Sheha
Publisher: http://www.islamland.com - Islam Land Website
A discussion of the 'pillars' of Eemaan and the factors which invalidate ISlam and remove a person from its fold.
Author: Abdul Aziz bin Abdullah bin Baz
Source: http://www.islamhouse.com/p/1227
Fiqh us-Sunnah
Author: Sayid Sabiq
A nice discussion of some important points needed by those callling to Islam
Source: http://www.islamhouse.com/p/1243
This book comprehensively explains Tawheed in the words of Shaikh ibn Saleh al-Uthaimeen (rahimahullah) from the book, 'Sharh Hadeeth Jibra'eel'.
Author: Muhammad ibn Saleh al-Othaimeen
Reveiwers: Muhammad AbdulRaoof
Publisher: A website Quran and Sunnah : http://www.qsep.com
Prophet Muhammad –pbuh- said: (All mankind are mistaker, and the best mistakers are those who make repentance) narrated by Al-Turmuthe. This booklet is small in size yet it is great in value. It shows the reality of repentance and the way leading to it.
Publisher: Daar Al-Watan
Source: http://www.islamhouse.com/p/1321