Once you've read the book, have a look at some of the programs on YouTube to see actual footage from Jonestown and interviews with survivors and relatives of the dead. It's a striking story for numerous reasons. In some ways it is genuinely terrifying. I've had relatives join cults and it is scary sh!t.
Its odd however how these "generally accepted" cults that encourage the mass murder of its "believers" are almost always in America. Home of the brave land of the worlds most stupid people ......its almost like someone is trying to do the world a favour by offing them