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 very useful article shows the pure Islamic belief of monotheism. It briefly mentions that Allah alone is worthy of worship, He is worshipped directly and Allah is not like his creation nor his creation is like him.
Author: Abdur-Rahman Demashqeyyah
Reveiwers: Muhammad AbdulRaoof
Publisher: An Islamic centre of Qatar www.fanar.gov.qa
Discusses the question of why Allah created, and why Allah created humans.
Author: Abu Ameenah Bilal Philips
Reveiwers: Muhammad AbdulRaoof
Publisher: Cooperative Office for Propagation, Guidance, and Warning of Expatriates in the city of Sultanah, Riyadh - A website Islamic Library www.islamicbook.ws
Concept of God in Major Religions.
Author: Zakir Naik
An article to refute the allegations of those who say that the Prophet Muhammad peace be upon him authored the Quran. Refuting the allegations of those who say that the Prophet Muhammad peace be upon him learned the Quran from a person. Refuting the allegations of those who say that the Prophet Muhammad peace be upon him learned the Quran from the Satan.
Publisher: A website Islam Religion www.islamreligion.com
Rulings on Zakaat al-Fitr.
Author: Muhammad Salih Al-Munajjid
Publisher: http://www.islamqa.com - Islam : Question & Answer Website
Source: http://www.islamhouse.com/p/1339