The Progressive Book Test by Michael O'Brien (Lord of the Flies) Victoriano Cajaraville to an impossible version of

to an impossible version of Two in the Hand

Requires precise moves and techniques

This effect works great on its own

your initials jump from the BOX

Immediately you open the pan

The Progressive Book Test by Michael O'Brien (Lord of the Flies) Victoriano Cajaraville to an impossible version ofMy 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