"How to Answer Questions for the Crystal Gazing Act" (Burling Hull) explains "the Burling Hull Method of Reducing the Subject to a System -- by Classifying Questions in Four Divisions and Rendering Answers According to a set of Prescribed Principles for Each Classification."

"You know how to WORK the Crystal Gazing or Mind Reading Act -- You have already Bought THAT Knowledge and Outfit.

BUT what you COULD NOT BUY -- at ANY PRICE -- was the REAL INSIDE DOPE - on "HOW TO ANSWER" the numerous, varied (and often disconcerting) questions that your audience would write. But now it is made EASY and Simple."