A nice discussion of some important points needed by those callling to Islam
Source: http://www.islamhouse.com/p/1243
This book gives a clear explanation of the Muslim sound Creed which is the core of the religion of Islam, as the belief in Tawhid (monotheism) is the purpose for which Allah created both mankind and jinn, and thus, those whoes belief in Tawhid is corrupt, are not considered Muslims.
Author: Saleh Bin Fawzaan al-Fawzaan
The testimony of "Laa ilaaha ill-Allah", its meaning, prerequisites, conditions, and fruits.
Author: Saleh Bin Fawzaan al-Fawzaan
Publisher: http://www.islammessage.com - Islam Message House Website
Source: http://www.islamhouse.com/p/1223
Some enlightening solutions to common problems faced by Muslims in practicing their religion
Author: Muhammad Salih Al-Munajjid
Publisher: http://www.islamqa.com - Islam : Question & Answer Website
Source: http://www.islamhouse.com/p/1341
Allah Almighty ordered all his servants to enter Islam and adhering to it and warned them of disobeying him. Also he sent His messenger to call to this. Allah told us that the one who follows him is the rightly guided and the one who turns away from his call goes astray. He warned us in many ayahs of apostasy, polytheism and disbelief.
Author: Abdur-Rahman Abdul-Khaliq
Reveiwers: Muhammad AbdulRaoof
Translators: Mahmoud Reda Morad Abu Romaisah
Publisher: Cooperative Office for Propagation, Guidance, and Warning of Expatriates in the city of Bade'ah - A website Islamic Library www.islamicbook.ws
50 Questions And Answers On Islamic Monotheism which talks about Who is your Rub? What is your religion?, Where is Allah?, Who are the friends of Allah? and etc.
Author: Muhammad Bin Abdul Wahhab
Reveiwers: Muhammad AbdulRaoof
Publisher: A Dawah website Wathakker www.wathakker.net