A book in English explains the six pillars of Islam: Belief in Allah, His angels, His books, His Messengers, the hereafter, the good or bad predestination from the Islamic perspective.-
A book in English explains the five pillars of Islam: The two testimonies, prayer, zakah, fasting, and pilgrimage. All of them are simply handled in detail concerning meaning, proofs, wisdom, and conditions.
A book in English confirms that searching for the causes of separation in the Islamic nation and how to treat that is an Islamic demand. This search will be confined to the mercy between our Prophet's household and the rest of his companions. In spite of the wars that took place between them, they are merciful between them. Although lots of narrators have been trying to neglect this fact, it will remain to refute all of these myths they made to support their political ambitions.