Seigo Tokiya Books

Magical Girl Spec-Ops Asuka Vol. 9

By Makoto Fukami Illustrated By Seigo Tokiya

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RUSSIA UNDERCOVER The war abroad is over, and Asuka and Kurumi have returned home in the hopes of enjoying peaceful student life in Japan. Unfortunately, the duty of a Magical Girl is never far aw...

Magical Girl Spec-Ops Asuka Vol. 10

By Makoto Fukami Illustrated By Seigo Tokiya

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A RUSSIAN RAID Nazani’s infiltration of the Russian Mafia ended in disastrous failure, but a rescue operation is already underway. Magical Girl Chisato and the operatives from Public Securit...

Magical Girl Spec Ops Asuka Vol. 6

By Makoto Fukami, Seigo Tokiya

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Magical Girl Spec-Ops Asuka Vol. 7

By Makoto Fukami Illustrated By Seigo Tokiya

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GIRLS OF MASS DESTRUCTION Asuka and her allies deploy in the Ukraine for a secret mission...only to run headlong into an ambush! What’s more, their enemies are a pair of very familiar faces....

Magical Girl Spec-Ops Asuka Vol. 8

By Makoto Fukami Illustrated By Seigo Tokiya

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THE DRAGON RISES The battle in the Ukraine reaches a fever pitch as Magical Girls clash head-to-head, leaving Kurumi grievously injured. At the same time, Chisato and Just Cause Mia have their own...

Oz T2

By Kyohei Iwai, Seigo Tokiya

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Oz T3

By IWAI KYOHEI, Tokiya Seigo

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Oz T5

By Seigo Kokuya, Kyohei Iwai

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OZ T6

By Seigo Kokuya, Kyohei Iwai

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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.