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.
People of Sunnah, be kind with one another
Author: Abdul-Muhsin Bin Hamad Al-Abbad Al-Badir
Translators: Tarik Preston
The permissible and prohibited types of waseelah
Author: Naasir Bin Abdulkarim al-Aql
Publisher: Daar Al-Watan
Source: http://www.islamhouse.com/p/1297
Allah is above the seven heavens far from His creation but with them wherever they are cognizant of them, their deeds and hearts. This is explained through given evidences from Quran and sunnah. Allah rose above the throne which contradicts the void creed of the Ash'arites and those agree with them that Allah is everywhere by His self.
Author: Munqith ibn Mahmood As-Saqqar
Reveiwers: Muhammad AbdulRaoof
An overview of the rites of Hajj, Umrah, and Ziyaarah in the light of Quran and Sunnah.
Author: Muhammad ibn Saleh al-Othaimeen
Source: http://www.islamhouse.com/p/1375
The Muslim Creed - 'Aqeedatut-Tahaawiyyah.
Author: Abu Jafar at-Tahawi
Translators: Suhaib Hasan AbdulGhaffar