Hitoshi Okuda Books

Ryugajo Nanana no Maizokin Vol.2

By Kazuma Ootorino, Hitoshi Okuda

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The all-new Tenchi Muyo!

By Hitoshi Okuda

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Tenchi and his otherworldly roommates are back for more fun and adventures.

The all-new Tenchi Muyo!

By Hitoshi Okuda

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Five thousand years ago, Washu invented the Black Crystal in an attempt to create the ultimate security device. Now, however, the cyrstal, answering to the name of Dark Washu, has returned to Earth...

The all-new Tenchi Muyo!

By Hitoshi Okuda

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Washu invents a device to alter time, Mishoshi finds herself in the middle of a bank robbery, robots invade Sasami's school, and then the whole gang must unite to battle an evil replicant of Washu.

The all-new Tenchi Muyo!

By Hitoshi Okuda

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Washu turns Dark Washu into a sidekick named Tama, but Ryoko doesn't want another girl vying for Tenchi's affections, so she challenges Tama to a duel. And Mihoshi transforms into a super bunny and...

The All New Tenchi Muyo Vol. 6

By Hitoshi Okudo

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The All New Tenchi Muyo Vol. 7

By Hitoshi Okuda

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No Need For Tenchi Volume 6 No Need for Tenchi

By Hitoshi Okuda

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The All New Tenchi Muyo Volume 8 All New Tenchi Muyo

By Hitoshi Okuda

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No Need For Tenchi Volume 8 No Need for Tenchi

By Hitoshi Okuda

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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.