"Knock-Out Blackjack: The Easiest Card-Counting System Ever Devised" is a book authored by Olaf Vancura and Ken Fuchs, published by Huntington Press in 2016. This trade paperback spans 224 pages and is written in English. It falls under the genre of Games & Activities, specifically focused on Gambling and Table Card Games, particularly Blackjack. The book presents a straightforward and accessible approach to card-counting in blackjack, making it a valuable resource for players looking to improve their skills and strategies at the table.