The Progressive Book Test by Michael O'Brien (1984) Acker It can be accomplished using

It can be accomplished using merely the following:

Perfect for stage magic

The special design allows you to release the wound filament from each spool in less than 1 second

The Olram Subtlety (Ed Marlo) and variations

We've reimagined the traditional drawer box

The Progressive Book Test by Michael O'Brien (1984) Acker It can be accomplished usingMy 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