Allah had sent to every nation a messenger or a prophet to call them to worship Allah alone and abandoning the worship of other things.
Author: Saleh Bin Fawzaan al-Fawzaan
Reveiwers: Muhammad AbdulRaoof
Translators: Shuwana Abdul-Azeez
Publisher: A website Quran and Sunnah : http://www.qsep.com
By Shaykhul-Islaam Ibn Taymiyyah. Actions are distinguished, one from the other, with respect to their excellence in the Sight of Allaah in accordance with the condition of the heart, not by their number or form, but rather due to the strength of the caller, his truthfulness, his sincerity and the extent to which he prefer Allaah over himself…
Author: Sheikh-ul-Islam ibn Taymiyyah
One of the most detailed books describing the rulings of Hajj, Umrah, and visiting the Masjid of the Prophet (peace be upon him).
Author: Sayid Sabiq
Source: http://www.islamhouse.com/p/1395
A monumental work discussing the Makkan period of the Prophet's life, and a refutation of Orientalist attacks.
Author: Muhammad Mohar Ali - Mohammed Mahr Ali
A description of the Prophet's prayer from beginning to end.
Author: Muhammad Naasiruddeen al-Albaanee
Source: http://www.islamhouse.com/p/1273
50 Questions And Answers On Islamic Monotheism which talks about Who is your Rub? What is your religion?, Where is Allah?, Who are the friends of Allah? and etc.
Author: Muhammad Bin Abdul Wahhab
Reveiwers: Muhammad AbdulRaoof
Publisher: A Dawah website Wathakker www.wathakker.net