The Triskadequadra Principle marks a substantive step forward in the evolution of card magic. John Hostler has isolated two very special properties inherent in a riffle-shuffled deck – properties buried in the mathematics underlying tools such as the Gilbreath Principle. A must-have for serious pasteboard scholars and principle geeks, this book also provides a generous selection of real-world applications:

Equilibrium – Cards are slowly dropped to the table until a spectator senses equilibrium. These cards are found to comprise an intriguing (and previously predicted) mix of the four suits.

Rogue Heart – A card selected in tension-building fashion “optimizes” a flawed poker hand held from the start by a spectator.

Bar Bits – Two clever Saturday night pub swindles.

Suitelepathy – A telepathic connection allows the performer to divine the suits of a freely selected packet of cards.

The TDQ Deck – A combination force/pump deck that can... More > be spectator-shuffled and displayed face-up(!)

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