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
Islam is the religion which Allah has chosen, is pleased with and has legislated for His slaves. People are in dire need of its laws to organize the affairs of their private and public lives, their internal and external affairs. Besides the great importance paid in Islam to general principles and fundamentals, it has not neglected secondary issues.
Author: AbdulRahman Bin Abdulkarim Al-Sheha
Publisher: http://www.islamland.com - Islam Land Website
This is the second treatise in the collection The Beliefs of the Pious Predecessors and the People of Hadeeth. The Author present it to the respected readers after Allah has ennobled him by making him concerned with it and by checking and verifying the ahaadeeth mentioned therein, (all) by the bounty of Allah, the Exalted
Author: Imam Ahmed ibn Hanbal
A nice book covering many aspects of wudoo, ghusl, tayammum, and wiping over socks and bandages.
Author: AbdulRahman Bin Abdulkarim Al-Sheha
Source: http://www.islamhouse.com/p/1381
A book on how to develop Khushoo in prayers, rulings on Khushoo, the means of developing Khushoo, knowing the advantages of Khushoo in prayers and etc.
Author: Muhammad Salih Al-Munajjid
Publisher: http://www.islamqa.com - Islam : Question & Answer Website
The Importance of the issue of ijtihad, who has the right to make it, and caution of speaking about the religion without knowledge
Author: Salman Bin Fahad al-Awdah
Publisher: http://www.islamtoday.net - Islam Today Website
Source: http://www.islamhouse.com/p/1403