Please note, Antonio Romero does NOT refer to his routine as the Perfect Cups and Balls. That's my ill-conceived witticism. He calls his routine:
At this website:
Antonio Romero has released a book on his "special" brand of magic. I don't think he has it in English. Perhaps a torrent of emails to his site, asking him to translate it would convince him to do so.
His wonderful cups and balls routine: Cubiletes Transparentes is available for your viewing pleasure at:
It will fool you, entertain and amaze you! My congratulations go out to Antonio for the release of his wonderful book. Now if only I'd studied a bit more in high school Spanish!