Ryo Kawakami Books

Gakken manga nyu Nihon no rekishi

By Ryo Kawakami, Manabu Oishi

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Attack on Titan: The Harsh Mistress of the City, Part 1

By Ryo Kawakami

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Another YA fantasy title based off the best-selling manga Attack on Titan. With Wall Maria breeched, communities within the Quinta district have been cut off from each other creating famine and cha...

Attack on Titan: The Harsh Mistress of the City, Part 2

By Ryo Kawakami

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Shinganshina has been breached, and humanity has retreated to Wall Rose-for the most part. Quintra District, situated at the western end of Wall Maria, is holding out despite being hemmed in by the...

Revysed

By Ryo Kawakami, Christopher Adams

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Revysed

By Ryo Kawakami, Christopher Adams

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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.