The treatise by Imam ibn Hanbal, the Imam of the Hanbali school of juristic reasoning, renowned for his steep knowledge, was written several hundred years ago to the inhabitants of a town where the Imam stayed for a period of time. It contains a full and clear description of the prayer and includes detailed observations of the mistakes, which Imam Ahmad observed during his time in that town. It was and remains an invaluable work for all Muslims. Detailing as it does many common errors made during prayers, some of which are serious enough to invalidate the act of worship.
Author: Imam Ahmed ibn Hanbal
Reveiwers: Muhammad AbdulRaoof
3 Treatises concerning Tobacco by the great scholars: Muhammmad bin Ibraaheem, as-Sadi, and bin Baaz
Author: Abdul Aziz bin Abdullah bin Baz - Abdur-Rahman Bin Nasir as-Sadi - Muhammad bin Ibraaheem Aal-ish-Sheikh
Source: http://www.islamhouse.com/p/1235
A Collection Of Wise Sayings (Al-Fawaid): is one of the well-known compilations of Imam Ibn Qayyim Al-Jawziyyah (may Allah have mercy upon him). This book consists of the elevated thoughts that Allah bestows upon some of His servants as He wills. So whenever any of these scattered pearls of wisdom occurred to the Imam, he would immediately record them.
Author: Ibn Qayyim al-Jawziyyah
Publisher: Umm Al-Qura for Translation, Publishing & Distribution
A nice discussion of some important points needed by those callling to Islam
Source: http://www.islamhouse.com/p/1243
An explanation of the different situations in which one must make prostrations for forgetfulness and when to perform them.
Author: Muhammad ibn Saleh al-Othaimeen
Source: http://www.islamhouse.com/p/1373
An incisive, thoroughly research and above all informative discourse on the subject of Prophet Muhammad in the Bible.
Author: Kais Al-Kalby