I PUBLISHED this method for secretly gaining written information many years ago in Magische Welt(1). Over the years this method has proven extremely valuable to me for learning thought-of words, numbers, names and questions. However, as far as I know, no one else has ever adopted it. I would like to offer it again, this time to my English-language readers, from the bottom of my heart; more so, because the handling has changed a bit since then.
