Impromptu Book Test (IBT)
by Josh Zandman

Effect

Any two books are freely chosen. You never see or handle them until the participant puts one in your hand. This can be done anywhere, anytime, with anyone. In fact, it has been! When IBT was first being developed, one of our friends performed it in a book store for someone. The result was so powerful, being able to pick any two books from anywhere in the store, that the participant was visibly shaken!

There is no pre-work, no set-up, no instant stooges, no gaffed books, you don

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