Griffin Book

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The Griffin Book is a listing of known or suspected gambling cheaters and advantage players published by Griffin Investigations, a firm that monitors casinos. Those listed may be anyone perceived as a threat to the casino’s profits, including card counters, … Read More

Black Book

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“Black Book” is the nickname frequently used to refer to a list of persons who are unwelcome in casinos. The name comes from the fact that the persons listed in the “book” are essentially “blacklisted”. The term can refer either … Read More