The Fatawa's of Shaikh-ul-Islam Ibn Taymiyyah (Rahimahullah). Though he preferred the Hanbali school of jurisprudence, he was never biased in favor of it, he frequently quotes the opinions of all four of the well-known schools of jurisprudence, even others. In a number of matters, he himself held opinions different from those of the four schools.
Author: Sheikh-ul-Islam ibn Taymiyyah
This book addresses an important subject, The only way to achieve true happiness is Islam and call for the faith in Allah and His angels, His Books, His Messengers, the Last Day, and destiny.
Author: AbdulRahman Bin Abdulkarim Al-Sheha
Publisher: http://www.islamland.com - Islam Land Website
The Islamic knowledge is the legacy of a prophet, the scholars are heirs of the prophets, and this is why the Knowledge seekers were among the best people.
Author: Muhammad Saeed Raslan
The Tenets of Faith, Creed of Ahlu Alsunnah and Aljamah: This Book Present the Pillars of Eman in a very Simple way.
Author: Muhammad ibn Saleh al-Othaimeen
Translators: Mane' Bin Hammad Al-Juhani
Publisher: http://www.al-hidaayah.co.uk - Al-Hidaayah Publishing and Distribution Website - Books of the office of propagation in Ulayya, Sulaymaniyah and north of Riyadh
A brief but nice booklet discussing Zakaah, those items and amounts upon which it is due, and where it is to be spent. Includes a few important fataawa related to Zakaah
Author: Abdul Aziz bin Abdullah bin Baz
Source: http://www.islamhouse.com/p/1269
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.