Ray Franz and Ed Dunlap worked on the AId book. Both of these men later left the WTS because they could not stand WTS lies any longer.
Here is a scenario. Lets say an elder has to give a talk on sunday. The elder happens to be a mole and decides to research his talk using the "Aid" book. The elder gets up on stage packing that humongous Aid Book. The edler gives his talk all the while quoting from the Aid book. After the talk the elder will be taken aside to tell him that he is disfellowshipped