Kitab At-Tawheed is one of the best books on the subject of Tawheed (Islamic Monotheism) and ranks high in authenticity. Till date it has gone through various publications; and had been the means for guidance of the millions of people throughout the world; by taking them out of the darkness of polytheism and error.
Author: Muhammad Bin Abdul Wahhab
Publisher: http://www.islambasics.com - Islam Basics Website
The Tenets of Faith, Creed of Ahlu Alsunnah and Aljamah: This Book Present the Pillars of Eman in a very Simple way.
Author: Muhammad ibn Saleh al-Othaimeen
Translators: Mane' Bin Hammad Al-Juhani
Publisher: http://www.al-hidaayah.co.uk - Al-Hidaayah Publishing and Distribution Website - Books of the office of propagation in Ulayya, Sulaymaniyah and north of Riyadh
This is a book presented by Rasoulallah Website (http://www.rasoulallah.net) shows aspects of our Prophet’s life. It contains topics as: his manners, his exemplary justice, his simple life, his love for the poor, his forgiveness shown to the non-Muslims. It includes other important topics as: how did he achieve reform, can he be taken as a model for Muslims to follow and how did he instill brotherhood among Muslims?
Publisher: http://www.rasoulallah.net - Website of Rasoulullah (peace be upon him)
This book is an amended transcript of one of the many, many sittings with the illustrious Shaykh, where he was asked about the issue of Takfeer. The sitting took place in Jordan. The transcript was amended by the Shaykh to make it suitable for print.
Author: Muhammad Naasiruddeen al-Albaanee
Translators: Abbas Abu Yahya
The 'Ideal Muslim' is now in its second revised edition in English, it has been very well received by our English and Arabic readers. The author has even examined both Eastern and Western thoughts on certain issues and proved that the Islamic Ideal is superior in all cases.
Author: Muhammad Ali Al-Hashemi
Publisher: International Islamic Publishing House
A brief but nice booklet discussing Zakaah, those items and amounts upon which it is due, and where it is to be spent. Includes a few important fataawa related to Zakaah
Author: Abdul Aziz bin Abdullah bin Baz
Source: http://www.islamhouse.com/p/1269