Due to the pitiful state which the Ummah of Muhammad (may God praise him) is in, due to the lack of knowledge of Muslims about their religion, and due to the high regard which some Muslims hold for Western thought and culture, we see that a hideous practice which contradicts the very principles of chastity and honor in Islam has crept into many Muslim societies. Many people don't realize the origins and consequences of this shameful celebration, but rather blindly follow its rites and customs to be "closer" to the West, not thinking of the sin and displeasure they are earning from Allah.This Book study the ruling concerning this celebration and statements of scholars in this regard.
Author: Muhammad Salih Al-Munajjid
Publisher: Islamic Propagation Office in Rabwah
Source: http://www.islamhouse.com/p/1353
This book gives a clear explanation of the Muslim sound Creed which is the core of the religion of Islam, as the belief in Tawhid (monotheism) is the purpose for which Allah created both mankind and jinn, and thus, those whoes belief in Tawhid is corrupt, are not considered Muslims.
Author: Saleh Bin Fawzaan al-Fawzaan
This book is one of the most important Islamic books which gives right answers about Christianity.
Author: Sheikh-ul-Islam ibn Taymiyyah
An informative guide to marriage and its various rulings.
Author: Muhammad Naasiruddeen al-Albaanee
Source: http://www.islamhouse.com/p/1275
This book centers around four foundation rules that help explain the meaning of shirk and clarify the many misconceptions that surround the subject.
Author: Muhammad Bin Abdul Wahhab
Reveiwers: Muhammad AbdulRaoof
Translators: Shuwana Abdul-Azeez
Publisher: A website Quran and Sunnah : http://www.qsep.com
A nice discussion of some important points needed by those callling to Islam
Source: http://www.islamhouse.com/p/1243