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
A brief book about the virtue of Ramadan and the importance of making good use of all seasons of worship. This is through getting ready to do good deeds, making faithful repentance and intending sincere intention to change one's conditions in Ramadan and what is after it.
Author: Mohammed Al-Hashmi Mustafa
Reveiwers: Muhammad AbdulRaoof
Publisher: Cooperative Office for Propagation, Guidance, and Warning of Expatriates in the city of Albatha - A website Islamic Library www.islamicbook.ws
Fatawa concerning looking at members of the same and opposite sex.
Author: The Memphis Dawah Team
Publisher: Memphis Dawah
Source: http://www.islamhouse.com/p/1279
An informative guide to marriage and its various rulings.
Author: Muhammad Naasiruddeen al-Albaanee
Source: http://www.islamhouse.com/p/1275
This is the English book "Ibn Taymiyyah Expounds on Islam" - A book of various Fataawa on Islamic faith, life and society. Translated by Muhammad Abdul Haqq Ansari and printed by The Institute of Islamic and Arabic Sciences in America (IIASA).
Author: Sheikh-ul-Islam ibn Taymiyyah
Translators: Mohammed Abdul Haqq Al-Ansari
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