The Progressive Book Test | Michael O'Brien (1984) Franz delivering an astounding performance without

delivering an astounding performance without any suspicious props or gimmicks

open your mind

You also receive footage from two performances of Serendipity

which means you can do an unlimited number of shows without fear of damaging the props

If we could use more words

The Progressive Book Test | Michael O'Brien (1984) Franz delivering an astounding performance withoutMy 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