An excellent book for non-Muslims explaining various aspects of Islam.
Author: Pete Seda
Publisher: Islamic Propagation Office in Rabwah
Source: http://www.islamhouse.com/p/1301
The treatise by Imam ibn Hanbal, the Imam of the Hanbali school of juristic reasoning, renowned for his steep knowledge, was written several hundred years ago to the inhabitants of a town where the Imam stayed for a period of time. It contains a full and clear description of the prayer and includes detailed observations of the mistakes, which Imam Ahmad observed during his time in that town. It was and remains an invaluable work for all Muslims. Detailing as it does many common errors made during prayers, some of which are serious enough to invalidate the act of worship.
Author: Imam Ahmed ibn Hanbal
Reveiwers: Muhammad AbdulRaoof
The Promised Prophet of the Bible
Author: Munqith ibn Mahmood As-Saqqar
Islam: 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: Dr. Saleh As-Saleh
This book list the virtues of a critical aspect of this protection: the HIJAB. The characteristics of the Hijab are discussed, bringing the glad tidings promised (by Allah) to those women adhering to it. It also points out the danger of dazzling displays of ornaments and beauty as well as the terrible repercussions in this life and in the hereafter for those who practice Tabar'roj.
Author: Muhammad Bin Ahmad Bin Ismail AL-Mokadam
Translators: Dr. Saleh As-Saleh
Rites of Hajj and Umrah From the book and Sunnah and Narrations from the Pious Predecessors.
Author: Muhammad Naasiruddeen al-Albaanee