The Progressive Book Test by Michael O'Brien (Fahrenheit 451) Parlor an opportunity to learn within

an opportunity to learn within the safety of what is familiar

" - Mike Powers"An beautifully absurd premise meets a delightfully practical method

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

is an ungimmicked and multipurpose coin

The Progressive Book Test by Michael O'Brien (Fahrenheit 451) Parlor an opportunity to learn withinMy 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