This is to correct an earlier post where I erroneously repeated two sites assertions this was the case. Subsequent digging has led to the discovery that Jovan Pulitzer is actually Jeffry (sp?) Jovan Philyaw. His background is a bit of a clown show. Dealings with Coca Cola and Taiwan over a failed project. Changed his name. Failed again in another big dollar project. Promoted Richard Simmons Steven Spielberg likes him a lot. Nuf said. https://www.dmagazine.com/frontburner/2016/04/cuecat-inventor-serves-up-craziest-video-youll-see-all-day/ This became the RS Code..................to be used with chip inserts in the future. https://www.dallasnews.com/arts-entertainment/2016/04/05/dallas-inventor-of-infamous-cuecat-is-now-erm-a-full-blown-treasure-hunter/ He holds patents on ways one computer can commandeer another by remote access. I'm guessing they are passe tech. Sauce appreciated. So..............sorry for any trauma caused by the original post. I'm glad it went down that way to make me take a harder look. Thanks to all who contributed. All you see on Amazon are many book titles with no actual BOOKS.