Studio Kôsen Books

Saihôshi The Guardian Volume 1 (Yaoi) 2nd Edition (Saihoshi The Guardian) (V. 1)

By Tina Anderson, Kôsen, Studio Kawaii, Studio Kôsen, KOSEN, Yamila Abraham, Dahlia Grey

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Saihoshi, The Guardian written and illustrated by Kosen The spoiled Prince Anel must travel without military escort to a neighboring kingdom where tensions run high. Sastre, an honorable Guardian,...

Lêttera 2 (Gaijin) (Spanish Edition)

By Studio Kôsen

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Daemonium

By Kosen

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The gateway to Hell is opened in this tale of demonic bloodlust and angelic redemption. Alone and disfigured from a tragic car accident in childhood, Seisu is plagued by haunting visions and hellis...

Windrose

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Daemonium

By Kosen

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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.