These are three good books for learning Arabic Language for the non-native speakers. But we should pay your attention that they are for who has slightly good knowledge about Arabic and how to pronounce it. We don't claim that you can consider them as an alternative to a teacher but they are good step for who wants to be excellent at Arabic. With these books, there is an Arabic-English glossary confined to the words mentioned in these books, and the author shows in its introduction how to find any word.
Concise examination of the Christian texts as well as the Islamic perspective of the purpose and message of Jesus
Author: Rashaad Abdul-Muhaiman
Publisher: El-Haqq Islamic Resource Center
Source: http://www.islamhouse.com/p/1367
An incisive, thoroughly research and above all informative discourse on the subject of Prophet Muhammad in the Bible.
Author: Kais Al-Kalby
A short but influential admonition regarding death.
Publisher: Daar Al-Watan
Source: http://www.islamhouse.com/p/1323
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
The source of all evil is the deviation from the truth and its straight path. The goodness of all matters is the following of truth and adherence to its right way. Truth is the fixed state in which Allah has created every creature in a particular way and managed its affair in a certain manner. Allah is Perfect and exempt from any deficiency or error. This book aims to elucidate the pillars of Imaan (basis of belief, faith) and the characteristics of Kufr (disbelief) and its causes.
Author: Sheikh-ul-Islam ibn Taymiyyah