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
This is a book presented by Rasoulallah Website (http://www.rasoulallah.net) shows aspects of our Prophet’s life. It contains topics as: his manners, his exemplary justice, his simple life, his love for the poor, his forgiveness shown to the non-Muslims. It includes other important topics as: how did he achieve reform, can he be taken as a model for Muslims to follow and how did he instill brotherhood among Muslims?
Publisher: http://www.rasoulallah.net - Website of Rasoulullah (peace be upon him)
A book shows the importance of these ten days and the excellence of deeds in them.
Author: Muhammad Salih Al-Munajjid
Publisher: Islamic Propagation Office in Rabwah
Source: http://www.islamhouse.com/p/1355
A most rewarding and fulfilling part of a Muslim's worship are those blessed moments that he spends praying in the depth of the night, privately addressing his Great Lord, sincerely glorifying Him, humbly imploring Him - beseeching His forgiveness and asking Him for favors. The voluntary "night prayer", or qiyaam, is indispensable for a person's moral, spiritual, and physical welfare. Yet, it is greatly misunderstood and largely neglected by most Muslims
Author: Muhammad Naasiruddeen al-Albaanee
Translators: Abu Maryam Ismaeel Alarcon
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 nice discussion of some important points needed by those callling to Islam
Source: http://www.islamhouse.com/p/1243