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
Warning to those who have abandoned prayers
Author: Khaalid Abu Saalih - Khalid Abu Salih
Publisher: Daar Al-Watan
Source: http://www.islamhouse.com/p/1327
The lofty rank and high station eemaan possesses is not something obscure, as it is unquestionably, the most important duty as well as being the most imperative of all obligations. It is also the greatest and most glorious of them. All the good in the world and the Hereafter is dependent upon the presence of eemaan and on its soundness and integrity. Eemaan holds such a multitude of benefits, ripe fruits, delicious pro-duce, constant food and continual goodness.
Author: AbdurRazzaaq AbdulMuhsin Al-Abbaad
Translators: Abu Safwan Farid Ibn AbdulWahid Haibatan - Abu Safwah Fareed Abdul Wahid
A booklet presented by IPC (Islamic Presentation Committee) to show people who is the Prophet Muhammad (Peace be upon him). It is divided into five sections: introduction, his life, his moral characteristics and mannerisms, his miracles and conclusion.
Publisher: http://www.ipc-kw.net - Islamic Presentation Committee Website - Kuwait
The Three Fundamental Principles and the Four Basic Rules of Islam.
Author: Muhammad Bin Abdul Wahhab
Publisher: Daar Al-Watan
Source: http://www.islamhouse.com/p/1333
In this book, Dr. Saleh As-Saleh just mentions the Quranic verses talking about the following topics, for example: who is Allah, we should worship none but him, proofs for his existence, the final Messenger Muhammad (peace be upon him) and purpose of our life.
Author: Dr. Saleh As-Saleh
Publisher: http://understand-islam.net - Understand Islam Website