Large collection of downloadable and online books (delivery too)
WHY DID THEY BECOME MUSLIMS?
www.thewaytotruth.org/ (collection of on-line books)
Al-Akhlâq wa’l-Siyar (Morals and Behavior)
Patience and Gratitude
To Be A Muslim
Al-'Aqidah At-Tahawiyah
Fundamentals Of Islam (Mawdudi)
Reading the Muslim Mind A book by Dr. Hassan Hathout)
THE BASIS OF MUSLIM BELIEF (Gary Miller)
In The Shade of The Quran (Syed Qutb)
Allah our Savior (Mohamed Ghounem)
Finality of Prophethood by Syed Abul A'la Maududi
Priorities of The Islamic Movement in The Coming Phaseby Yusuf Qaradawi
Islamic Awakening between Rejection and Extremism by Yusuf Qaradawi
Usul al-Fiqh - Source Methodology in Islamic Jursiprudenceby Taha Jabir al'Alwani
The Bible, Quran And Science(Whole Book)
Books by Sheikh Mohammad S. Al-Monajjid
HE is AllahBy Dr. Arafat El-Ashi
Social Conduct of a Muslim
Al-'Uboodiyyah By Ibn Taymiyah
The Sealed Nectar Memoirs of the Noble Prophet by Saifur Rahman al-Mubarakpuri
The Ethics Of Disagreement In Islam
The Many Dangers Of The Tongue
The writings of Hasan al Banna
A list of On-Line Books Here
YOUR WAY TO ISLAM
Several On-Line Books Here also (1), (2), (3), (4), (5).