A wonderful booklet mentions the predictions about the Prophet Muhammed (Peace be upon him) in Psalm, Old Testament and New Testament. It also discusses some other issues.
Publisher: http://www.rasoulallah.net - Website of Rasoulullah (peace be upon him)
This book is one of the most important Islamic books which gives right answers about Christianity.
Author: Sheikh-ul-Islam ibn Taymiyyah
This book is a must for every Imam and anyone who expects to give Friday sermons in the English speaking world. The sermons contained in this book are collected from the sermons of Prophet Muhammad (S) himself, his companions and various prominent scholars. The sermons are both educational and heart moving, therefore fulfilling the goal of the Friday sermon. Every Muslim who attends the Friday congregational prayer wants to have his faith increased with inspirational and encouraging exhortations, and at the same time be sure that the information that he is receiving is Islamically correct. Thus, we present this collection of sermons in hopes that it will assist the reader in delivering quality religious speeches, thereby fulfilling the obligation of the Friday sermon in the best manner. May Allah grant us success.
Rulings on Zakaat al-Fitr.
Author: Muhammad Salih Al-Munajjid
Publisher: http://www.islamqa.com - Islam : Question & Answer Website
Source: http://www.islamhouse.com/p/1339
The testimony of "Laa ilaaha ill-Allah", its meaning, prerequisites, conditions, and fruits.
Author: Humood Bin Muhammad Al-Lahem
Reveiwers: Muhammad AbdulRaoof
Translators: Mahmoud Reda Morad Abu Romaisah
Publisher: A website Islamic Library www.islamicbook.ws - New Muslims Care Centre
This treatise was prepared by the Agency of Islamic Enlightenment in Hajj. Includes a discussion about those things which nullify a person's Islam as well as common errors made by the commonfolk.
Author: Muhammad ibn Saleh al-Othaimeen
Source: http://www.islamhouse.com/p/1377