A comprehensive explanation and commentary of the first 24 hadith of Imam al-Nawawi's classic compilation, Riyadh al-Saliheen.
Author: Abu Zakaria Al-Nawawi
Faith in the sense of belief is based on six principles, which are mentioned in the hadith of Jibreel (peace be upon him), when he questioned the Prophet (peace and blessings of Allah be upon him), who said: “Faith means to believe in Allah, His angels, His Books, His Messengers, the Last Day, and the Divine Decree, both good and bad.” (Agreed upon). This series explain those articles of faith in detail.
Author: Mahmoud Reda Morad Abu Romaisah
Publisher: Cooperative Office for Propagation, Guidance, and Warning of Expatriates in the city of Salay, Riyadh - A website Islamic Library www.islamicbook.ws
Kitab At-Tawheed is one of the best books on the subject of Tawheed (Islamic Monotheism) and ranks high in authenticity. Till date it has gone through various publications; and had been the means for guidance of the millions of people throughout the world; by taking them out of the darkness of polytheism and error.
Author: Muhammad Bin Abdul Wahhab
Publisher: http://www.islambasics.com - Islam Basics Website
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
Rulings concerning different aspects of the Adhaan.
Author: Abdullah Bin Abdur-Rahman AL-Jibreen - Muhammad Bin AbdulRahman Al-Areefi
Publisher: Memphis Dawah
Source: http://www.islamhouse.com/p/1287
This is a useful book although it is small. It contains some technical terms for da'wah in English. No doubt all scholars and callers to Islam in English are in much need to something like that to conveys the right message of Islam to all those speak English.