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
This treatise was prepared by the Agency of Islamic Enlightenment in Hajj. Includes a discussion about those things which nullify a person's Islam as well as common errors made by the commonfolk.
Reveiwers: Muhammad AbdulRaoof
Publisher: Cooperative Office for Propagation, Guidance, and Warning of Expatriates in the city of Bade'ah - A website Islamic Library www.islamicbook.ws
A nice discussion of some important points needed by those callling to Islam
Source: http://www.islamhouse.com/p/1243
A detailed description of the different ways the Prophet (s) advised people.
Author: Muhammad Salih Al-Munajjid
Publisher: Islamic Propagation Office in Rabwah
Source: http://www.islamhouse.com/p/1359
Is it true that mankind today has reached such a level of progress that they have no need of the Messengers and their teachings? Are humans capable today of guiding themselves without referring to the methods set out by the Messengers? This comprehensive work which is full of clear proofs and evidences from the pure teachings of Islam, is an essential reading for all Muslims and seekers of truth.
Author: Omar Bin Sulaiman Al-Ashqar
Reveiwers: Muhammad AbdulRaoof
One of the most detailed books describing the rulings of Hajj, Umrah, and visiting the Masjid of the Prophet (peace be upon him).
Author: Sayid Sabiq
Source: http://www.islamhouse.com/p/1395