Saheeh International, based out of Saudi Arabia, Translated the meaning of the Quran in English, which is most appropriate for non-Muslims, it is easy and clarity of words and meanings.
Publisher: http://www.islambasics.com - Islam Basics Website - Sahih International
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
Islam is the religion of peace: This book addresses an important subject, a concept of Islam from the social justice and fighting injustice as a basis for the establishment of peace in the international community. A discussion of how Islam is a religion that promotes peace and understanding among all nations, and prohibits violence and aggression against anyone.
Author: AbdulRahman Bin Abdulkarim Al-Sheha
Publisher: http://www.islamland.com - Islam Land Website
Discover Islam: A brief book that guides a person towards Islam, Islam is the religion and way of life of about one Fifth of the world's population. Muslims are of diverse nationalities, cultures and races, but their Religion teaches that all humanity is essentially equal. It guides them to the Straight Path.
Publisher: Ministry of Islamic Affairs, Endowments, Da‘wah and Guidance
An informative book about the virtues of studying, understanding, reciting, memorizing, and acting upon of the Qur'an, as well as a mention of the virtues of various Surahs.
Author: AbdulQader Al-Arnaoot
Translators: Muhammad Bin Munir Al-Qashlan
Publisher: International Islamic Publishing House
Source: http://www.islamhouse.com/p/1379
A Collection Of Wise Sayings (Al-Fawaid): is one of the well-known compilations of Imam Ibn Qayyim Al-Jawziyyah (may Allah have mercy upon him). This book consists of the elevated thoughts that Allah bestows upon some of His servants as He wills. So whenever any of these scattered pearls of wisdom occurred to the Imam, he would immediately record them.
Author: Ibn Qayyim al-Jawziyyah
Publisher: Umm Al-Qura for Translation, Publishing & Distribution