Yochanan Afek Books

Extreme Chess Tactics

By Yochanan Afek

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Las jugadas invisibles en ajedrez

By Antonio Gude, Yochanan Afek, Emmanuel Neiman

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Tacticas de Ajedrez Extremas

By Jose Andres De Mingo Matias, Yochanan Afek

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Invisible Chess Moves

By Yochanan Afek, Emmanuel Neiman

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Practical Chess Beauty

By Yochanan Afek

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Solving studies is well established as an effective method of chess improvement. In Practical Chess Beauty one of the world's greatest study composers, Yochanan Afek, shares his finest creations.Fi...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.