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.
Faith in the sense of belief is based on six principles, which are mentioned in the hadith of Jibreel (peace be upon him), when he questioned the Prophet (peace and blessings of Allah be upon him), who said: “Faith means to believe in Allah, His angels, His Books, His Messengers, the Last Day, and the Divine Decree, both good and bad.” (Agreed upon). This series explain those articles of faith in detail.
Author: Mahmoud Reda Morad Abu Romaisah
Publisher: Cooperative Office for Propagation, Guidance, and Warning of Expatriates in the city of Salay, Riyadh - A website Islamic Library www.islamicbook.ws
A most rewarding and fulfilling part of a Muslim's worship are those blessed moments that he spends praying in the depth of the night, privately addressing his Great Lord, sincerely glorifying Him, humbly imploring Him - beseeching His forgiveness and asking Him for favors. The voluntary "night prayer", or qiyaam, is indispensable for a person's moral, spiritual, and physical welfare. Yet, it is greatly misunderstood and largely neglected by most Muslims
Author: Muhammad Naasiruddeen al-Albaanee
Translators: Abu Maryam Ismaeel Alarcon
Warning to those who have abandoned prayers
Author: Khaalid Abu Saalih - Khalid Abu Salih
Publisher: Daar Al-Watan
Source: http://www.islamhouse.com/p/1327
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
Fiqh us-Sunnah
Author: Sayid Sabiq