The Rapture Book is very essential to the Nyahbinghi faith because it features the precepts of the house of Nyahbinghi. The precepts are the convictions that the faith stands upon.
The main conviction is that Haile Selassie 1st is Christ in his Kingly character which all those trodding Rastafari have embraced, but the other convictions that are referred to as the half that has never been told.
These convictions identifies the anti-Christ in his personality also its administration and shrine. Also the beast in its personality and its administration as well as mystery Babylon in her personality, throne and Queendom and the rest that has not been told to the world.