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.
The Choice - Islam and Christianity: Two Volumes, By Ahmed Deedat, An excellent book discussing Islam and Christianity in the light of Holy Quran and the Sunnah.
Author: Ahmed Deedat
Effects of fornication upon the self and society
Author: Muhammad ibn Ibraheem al-Hamad
Publisher: Daar Al-Watan
Source: http://www.islamhouse.com/p/1329
The Quran and Modern Science: This book has statements of a scientific nature contained in the Qur’an and other subjects to specialists from other disciplines. Astronomers, zoologists, geologists and specialists in the history of the earth would all have been struck, just as forcibly as medical doctors, by the presence in the Qur’an of highly accurate reflections on natural phenomena.
Author: Maurice Bucaille
Reveiwers: Abu Ameenah Bilal Philips
This book follow the Adadith (prophet sayings) in an attempt to trace their miraculous nature from a scientific perspective so as to pave the Sunnah's way into the hearts of Muslims and non-Muslims as well.
Author: Zaqlol El-Naggar
Publisher: Al-Falah Foundation, Translation, Publication and Distribution
A small treatise concern knowledge & scholars, its importance & merits.
Author: Abdul Aziz bin Abdullah bin Baz
Publisher: http://www.al-hidaayah.co.uk - Al-Hidaayah Publishing and Distribution Website
Source: http://www.islamhouse.com/p/1257