A nice discussion of some important points needed by those callling to Islam
A very useful article shows the pure Islamic belief of monotheism. It briefly mentions that Allah alone is worthy of worship, He is worshipped directly and Allah is not like his creation nor his creation is like him.
Author: Abdur-Rahman Demashqeyyah
Reveiwers: Muhammad AbdulRaoof
Publisher: An Islamic centre of Qatar www.fanar.gov.qa
Many deeds through which a Muslim can earn great rewards
Publisher: Daar Al-Watan
A refutation against those who deny the appearance of Mahdi, the coming of Dajjaal, and the descent of the Messiah at the end of time.
Author: Hammoud Ibn Abdullah Ibn Hammoud At-Tuwayjri
Translators: Abdul Qaadir Abdul Khaaliq
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