dude, you cant have several cannabis based religions in a rastafarian book... Rastafarianism is a religion on its own, dumbass... and by the way, the rastas, unlike rastafarians are a militant group.

and if you are rastafarian, you dont need anything to help you avoid busts... you have the right to smoke weed as freedom of religion. so long as you can prove that you are rastafarian by birthright and that the weed was for religious purposes...

what you should do is write the book without it referring to the rastas or rastafarians in specific. this sounds like your basic stoner book, not anything spiritual