In Islam there are five basic duties which Muslims must perform. They are known as the five pillars of Islam (Arkanul Islam). These are: Shahadah, the establishment of prayer (Salah), the payment of Zakah (paying the poor due), the Hajj (pilgrimage to Makkah and Sawm Ramadan (fasting the month of Ramadan).
Author: Humood Bin Muhammad Al-Lahem
Reveiwers: Muhammad AbdulRaoof
Translators: Mahmoud Reda Morad Abu Romaisah
Publisher: Cooperative Office for Propagation, Guidance, and Warning of Expatriates in the city of Albatha - A website Islamic Library www.islamicbook.ws
Daily and Nightly Supplications
Author: Khalid Aljuraisy
Translators: Muhammad Atif Mujahid Muhammad
Publisher: Al-Juraisi Foundation - http://www.alukah.net - Al Alukah Website
In this book, Dr. Saleh As-Saleh just mentions the Quranic verses talking about the following topics, for example: who is Allah, we should worship none but him, proofs for his existence, the final Messenger Muhammad (peace be upon him) and purpose of our life.
Author: Dr. Saleh As-Saleh
Publisher: http://understand-islam.net - Understand Islam Website
This treatise was prepared by the Agency of Islamic Enlightenment in Hajj. Includes a discussion about those things which nullify a person's Islam as well as common errors made by the commonfolk.
Author: Muhammad ibn Saleh al-Othaimeen
Source: http://www.islamhouse.com/p/1377
God in Christianity... What is His Nature?: The intent of this work is to honestly and sincerely present the truth that was found
Author: Naji Ibrahim al-Arfaj
Brief guide concerning the fundamentals of Islam.
Author: Naasir Bin Abdulkarim al-Aql
Source: http://www.islamhouse.com/p/1295