A book test by Perkeo with 3 novels inspired by Dr

you won't be sorry

This miracle is one of the great things to come along in the last 20 years

and perform the effect in short sleeves

It is high quality

The Card That Matters | Rick Lax Gould A book test by PerkeoRick Lax set himself a challenge to do the impossible: To let a spectator name any card, and have it be the only one face up in a poker hand that fits inside a tiny envelope. The result is a monumental breakthrough, The Card That Matters. Here's what it looks like: 1. You hold a tiny envelope with a poker hand inside it (5 cards). 2. You tell your spectator there is one card face up in this poker hand, and you invite them to guess what it is. 3. When