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
The Three Fundamental Principles and the Four Basic Rules of Islam.
Author: Muhammad Bin Abdul Wahhab
Publisher: Daar Al-Watan
Source: http://www.islamhouse.com/p/1333
Ibn Rajab al-Hanbali This is a treatise we have written concerning humility (Khushu') and the hearts meekness and breaking (inkisar) before the Lord. The basic meaning of Khushu', is the softness of the heart, its being gentle, still, submissive, broken, and yearning. When the heart is humble, so too is the hearing, seeing, heard, and face; indeed all the limbs and their actions are humbled, even speech. The source of the Khushu, that takes place in the heart is the gnosis of Allah's greatness, magnificence, and perfection.
Author: Ibn Rajab Al-Hanbali
An advice and admonition to Muslim sisters about Hijab.
Author: Nawaal Bint Abdullah
Translators: Abdul Qaadir Abdul Khaaliq
Publisher: Islamic Propagation Office in Rabwah
Source: http://www.islamhouse.com/p/1325
Brief guide concerning the fundamentals of Islam.
Author: Naasir Bin Abdulkarim al-Aql
Source: http://www.islamhouse.com/p/1295
Tawheed, the oneness of God, is the core of the Islamic faith. Mankind is assigned the duty of implementing this concept on earth in every walk of life since the days of Adam. However, Satan spares no effort to distract mankind from the guided path. This book points out and clarifies this concept
Author: Abu Ameenah Bilal Philips
Publisher: International Islamic Publishing House