Pyong Yon Kim Books

"North Korea is one of the most closed and secretive societies in the world. Despite a high level of interest from the outside world, we have very little detailed information about how the country...

Unveiling the North Korean economy

By Pyong Yon Kim

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"North Korea is one of the most closed and secretive societies in the world. Despite a high level of interest from the outside world, we have very little detailed information about how the country...

Chabon sijangpop

By Pyong Yon Kim

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Sangpop ch ongch ik sanghaengwi

By Pyong Yon Kim

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Pukhan kyongje esoui sijang kwa chongbu

By Pyong Yon Kim

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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.