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
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
This book is to be seen as a modest attempt, a small but significant and sincere contribution, to the input of materials pertaining to Islam which set to curb and eventually uproot evil and establish righteousness, so that people are helped in clinging to the only way that affords them safety from the Fire, and brings them closer to Allah with a submission to his will that is borne of easiness as a result based on correct knowledge and understanding.
Author: Abu Al-Muntasir Bin Muhar Ali
Reveiwers: Muhammad AbdulRaoof
This treatise is comprised of a collection of ahaadeeth (sayings of the Prophet) and athaar (sayings of the Salaf) on the subject of Islamic Knowledge. The Tahqeeq of the book was done by Imam Al-albanee.
Author: Abu Khaithama Zuhair Ibn Harb An-Nasaa’ee - Abu Khaisamah Zuhair Bin Harb Al-Nisai
Translators: Abu Maryam Ismaeel Alarcon
ًWhat is Islam?: This book explains basic introduction to the fundamental beliefs and practices of the Islamic faith. An attempt has been made to be as concise as possible, but with the hope that the reader will be encouraged to study Islam in more depth.
Author: Jamaal Zarabozo
Publisher: Ministry of Islamic Affairs, Endowments, Da‘wah and Guidance
An excellent book for non-Muslims explaining various aspects of Islam.
Author: Pete Seda
Publisher: Islamic Propagation Office in Rabwah
Source: http://www.islamhouse.com/p/1301