It is a novel within the Jerji Zidan series, "The History of Islam," which is events drawn from the reality of contemporary Islamic history that includes what happened between the Secretary and the Secretary from a disagreement after the death of their father, Harun al -Rashid. Here, Jerji Zidan discusses by elaborating the divisions that were between the Arabs and the Persians and the centered around the tribal league, as well as the temptations and what was taking place in that bloody time period full of conspiracies and hideous crimes against members of the same family for the sake of a fleeting throne and false authority, and of course and as we are used to From Zidane in his historical novels, there is the romantic node that works to conduct events, and here it was a love story of the hero of each of the grandson of Abu Muslim Al -Kharsani (Kevir or Al -Kharsani) and the daughter of one of the ministers killed by Al -Rasheed (Maymouna). A clip from the novel: "She said:" If the matter is worse between the two brothers, then the Persians must support the safe and support them and take care of their right, but if they want after that to get rid of the safe to take over the authority for themselves without success "