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
This is the English book "Ibn Taymiyyah Expounds on Islam" - A book of various Fataawa on Islamic faith, life and society. Translated by Muhammad Abdul Haqq Ansari and printed by The Institute of Islamic and Arabic Sciences in America (IIASA).
Author: Sheikh-ul-Islam ibn Taymiyyah
Translators: Mohammed Abdul Haqq Al-Ansari
The Muslim Creed - 'Aqeedatut-Tahaawiyyah.
Author: Abu Jafar at-Tahawi
Translators: Suhaib Hasan AbdulGhaffar
A nice book covering many aspects of wudoo, ghusl, tayammum, and wiping over socks and bandages.
Author: AbdulRahman Bin Abdulkarim Al-Sheha
Source: http://www.islamhouse.com/p/1381
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)
Jesus in Islam: How did the Quran Narrated the stories of the messengers and prophets from Adam to Muhammad, and the Quran had explained in detail the story of Jesus peace up on him.
Author: Ahmed Deedat