The Progressive Book Test by Michael O'Brien (1984) Alexander Herman during these six words

during these six words

Valvee's Queen of Hearts

The packaging box doubles as a storage case

or even just with a small group of friends

It is an incredible system that allows you to predict any number in shape of charms

The Progressive Book Test by Michael O'Brien (1984) Alexander Herman during these six wordsMy 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