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.
This treatise was prepared by the Agency of Islamic Enlightenment in Hajj. Includes a discussion about those things which nullify a person's Islam as well as common errors made by the commonfolk.
Author: Muhammad ibn Saleh al-Othaimeen
Source: http://www.islamhouse.com/p/1377
This is the first English translation of the book Sharh Hadeeth Maa Dhi'baan Jaai'aan… written by the great scholar Ibn Rafab al-Hanbalee (d.795H) in explanation of the prophet. An excellent book , warning us about the dangers of expending our energies in chasing after the transitory things of this world at the expense of the rewards of the Hereafter.
Author: Ibn Rajab Al-Hanbali
A useful booklet shows 1000 acts of Sunnah of the Prophet Muhammad (peace be upon him). It contains different situations i.e. waking up, going to the bathroom, performing ablutions, using sewak, wearing shoes, wearing clothes, going out and coming back home, going to the mosque, athan, iqama, praying at night and post-prayer sunnahs.
Author: Khaled Al Husainan - Khaled Al-Husainan
Publisher: http://www.rasoulallah.net - Website of Rasoulullah (peace be upon him)
A compilation of five works dealing with fasting, Taraaweeh, I'tikaaf, Zakaat-ul-Fitr, and Eid.
Author: Muhammad Salih Al-Munajjid
Publisher: Islamic Propagation Office in Rabwah
Source: http://www.islamhouse.com/p/1351
This book addresses an important subject, The only way to achieve true happiness is Islam and call for the faith in Allah and His angels, His Books, His Messengers, the Last Day, and destiny.
Author: AbdulRahman Bin Abdulkarim Al-Sheha
Publisher: http://www.islamland.com - Islam Land Website