Rulings regarding Eid and some common errors relating to it.
Author: Abdul-Muhsin Bin Hamad Al-Abbad Al-Badir
Publisher: http://www.islamweb.net - Islam Web Website
Source: http://www.islamhouse.com/p/1309
Rites of Hajj and Umrah From the book and Sunnah and Narrations from the Pious Predecessors.
Author: Muhammad Naasiruddeen al-Albaanee
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.
A nice discussion of some important points needed by those callling to Islam
Source: http://www.islamhouse.com/p/1243
This book describes and talks about the aspects of life of the Prophet Muhammad (peace be upon him), and shows his great qualities and the attractive aspects of his true religion which has the right to be followed by all mankind.
A detailed description of the Dajjaal as mentioned in various ahaadeeth.
Author: Muhammad Salih Al-Munajjid
Publisher: Islamic Propagation Office in Rabwah
Source: http://www.islamhouse.com/p/1361