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.
Brief guide concerning the fundamentals of Islam.
Author: Naasir Bin Abdulkarim al-Aql
Source: http://www.islamhouse.com/p/1295
A very important book talks about some misconceptions about Islam such as: allowing husbands to beat their wives, punishments by Islam for the criminals, not allowing religious freedom which is considered intolerance, prohibiting music, and terrorism in the name of jihad.
Discover Islam: A brief book that guides a person towards Islam, Islam is the religion and way of life of about one Fifth of the world's population. Muslims are of diverse nationalities, cultures and races, but their Religion teaches that all humanity is essentially equal. It guides them to the Straight Path.
Publisher: Ministry of Islamic Affairs, Endowments, Da‘wah and Guidance
A Book discussingthe importance of khushoo in prayer and how to achieve it
Author: Imran Hussein
Source: http://www.islamhouse.com/p/1401
This is a very good book which deals with false Aqeedah of peoples, named “The Truth About The Original Sin”.
Author: Abdullah Bin Hadi Al-Qahtani
Reveiwers: Muhammad AbdulRaoof
Publisher: A website Islamic Library www.islamicbook.ws