Rulings concerning different aspects of the Adhaan.
Author: Abdullah Bin Abdur-Rahman AL-Jibreen - Muhammad Bin AbdulRahman Al-Areefi
Publisher: Memphis Dawah
Source: http://www.islamhouse.com/p/1287
The Islamic View of Jesus (Peace Be Upon Him), 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 be up on him, In the Light of Holy Quran and Sunnah.
Author: Imam Ibn Kathir
A nice discussion of some important points needed by those callling to Islam
Source: http://www.islamhouse.com/p/1243
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)
One of the most detailed books describing the rulings of Hajj, Umrah, and visiting the Masjid of the Prophet (peace be upon him).
Author: Sayid Sabiq
Source: http://www.islamhouse.com/p/1395
A clarification of the great danger magic poses to Muslims and various du'aas to cure it
Author: Abdul Aziz bin Abdullah bin Baz
Publisher: Daar Al-Watan
Source: http://www.islamhouse.com/p/1263