The Islamic definition of Bid’ah: Imaam Ash-Shaafi’i, may Allah have mercy upon him, said: “A Bid’ah is anything that has no basis in the Qur’aan, Sunnah or sayings of any of the companions.” Ibn Al-Jawzi, may Allah have mercy upon him, said: “A Bid’ah is any form of worship that did not exist (at the time of the Prophet sallallaahu ‘alayhi wa sallam and his companions) then later it was innovated.” Ibn Rajab, may Allah have mercy upon him, said: “A Bid’ah is any form of worship which has no basis in the Sharee’ah which would warrant its legislation.”
Author: Ibn Rajab Al-Hanbali
Reveiwers: Muhammad AbdulRaoof
The Criterion Between The Allies Of The Merciful And The Allies Of The Devil, by Shaikh Al-Islam Ibn Taymiyyah.
Author: Sheikh-ul-Islam ibn Taymiyyah
Translators: Salim Morgan
The Importance of the issue of ijtihad, who has the right to make it, and caution of speaking about the religion without knowledge
Author: Salman Bin Fahad al-Awdah
Publisher: http://www.islamtoday.net - Islam Today Website
Source: http://www.islamhouse.com/p/1403
The Hadith is Proof Itself in Belief & Laws
Author: Muhammad Naasiruddeen al-Albaanee
The conflict between truth and falsehood is ongoing and will last as long as this world remains. The fact that some groups among the Ummah of Muhammad (peace and blessings of Allah be upon him) are following the people of falsehood.
Author: Muhammad Salih Al-Munajjid
Publisher: http://www.islamqa.com - Islam : Question & Answer Website
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.