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
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
The Choice - Islam and Christianity: Two Volumes, By Ahmed Deedat, An excellent book discussing Islam and Christianity in the light of Holy Quran and the Sunnah.
Author: Ahmed Deedat
Hajj and Tawheed: Hajj is to set out for Makkah to worship Allah by performing certain religious rights in accordance with the Prophet's (peace and blessings be upon him) Sunnah. It is a time in which to call upon Allah to purify the self from any worship to anyone other than him. This booklet explains the basic rights of Hajj. It also notes that the tawheed of Allah requires the Muslim to follow the perfect way of worship, demonstrated by Muhammad (peace and blessings be upon him) and as understood by the Sahaabah who were the best of mankind.
Author: Dr. Saleh As-Saleh
This books cover the historical events of the Islamic Openings through which the word of Islam reached out the whole world. It represents the real Islamic attitude during the war, and real intentions of those openings.
Author: AbdulAziz Al-Shinnawy
Translators: Heba Samir Hendawi
Publisher: Umm Al-Qura for Translation, Publishing & Distribution
The Complete and Final Message to Man is a brief presentation of Islam defining its terms and teachings, followed by an advice to the Muslims and non-Muslims on following the path of the Righteous Predecessors.
Author: AbdulRahman Bin Abdulkarim Al-Sheha
Publisher: http://www.islamland.com - Islam Land Website