The Progressive Book Test by Michael O'Brien (Fahrenheit 451) Parlor but ones that I will

but ones that I will do and think about

EFFECT: The magician writes down a prediction and places it aside

is an ungimmicked and multipurpose coin

you will do this all the time

and asks the spectator to tap the back of any of the cards she sees

The Progressive Book Test by Michael O'Brien (Fahrenheit 451) Parlor but ones that I willMy absolute favorite mind reading tool is the Book Test. A Book Test is a special prop disguised as an ordinary book that allows you to read a spectator's mind. With so many of these on the market, how can you possibly know which version of this prop to choose? For me, It all comes down to three simple things: Is it easy to use? Do I need to memorize anything? Does it have multiple uses? So let's talk about the Progressive Book Test! Is it easy to