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.
A comprehensive explanation and commentary of the first 24 hadith of Imam al-Nawawi's classic compilation, Riyadh al-Saliheen.
Author: Abu Zakaria Al-Nawawi
A proof that the Qur'an is from God and that Muhammad is a Messenger of God.
Author: Abdullah Bin Abdur-Rahman AL-Jibreen
Publisher: Memphis Dawah
Source: http://www.islamhouse.com/p/1285
The best explanatory translation of the Qur'aan by Muhammad Muhsin Khan and Taqi-ud-Deen Hilaali.
Translators: Muhammad Muhsin Khan - Taqi-ud-Deen Hilaali
Publisher: http://www.qurancomplex.org - King Fahd Complex For Printing The Holy Quran Website
Source: http://www.islamhouse.com/p/1237
Through Gospel accounts of the crucifixion, Shaikh Ahmad Deedat exposes the fallacy of the crucifixion.
Author: Ahmed Deedat
An article to refute the allegations of those who say that the Prophet Muhammad peace be upon him authored the Quran. Refuting the allegations of those who say that the Prophet Muhammad peace be upon him learned the Quran from a person. Refuting the allegations of those who say that the Prophet Muhammad peace be upon him learned the Quran from the Satan.
Publisher: A website Islam Religion www.islamreligion.com