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
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 summary of the rulings, etiquette and Sunnah of fasting.
Author: Muhammad Salih Al-Munajjid
Publisher: http://www.islamqa.com - Islam : Question & Answer Website
Source: http://www.islamhouse.com/p/1335
The Fasting of Ramadan: a reference that simplified all matters pertaining to the fast and Ramadan in this short and concise treatise.
Author: Muhammad Jameel Zeeno
One of the works on this subject is his “al‐Fatwaa al‐Hamawiyyah” which he wrote as an answer to a question presented to him. In it, he was asked what the scholars and Imaams of the religion say concerning the Aayaat and the Ahaadeeth of the Si/aat, or the attributes and characteristics of Allah.
Author: Sheikh-ul-Islam ibn Taymiyyah
An excellent 18 page treatise upon the excellence of Hajj and its rulings. Taken from Silsilah Ahadeeth As-Saheehah & Silsilah Ahadeeth Ad-Daeefah. Translated by Abbas Abu Yahya
Author: Muhammad Naasiruddeen al-Albaanee
Translators: Abbas Abu Yahya