History of Islam – Ali ibn Abi TaalibA Reader Series Ali ibn Abi Taalib Rightly Guided Khalifah History of Islam The age of the rightly guided caliphs Al Khulafa Ar Rashidun This is the fourth volume from this series, which deals with the life of the last of the Four Rightly Guided Caliphs, Al ibn Ab lib (ra). He was the first male to accept Islam at the young age of approximately nine years. He was the Prophet's cousin, the son of Abu Talib, the Prophet's supportive and loving uncle who