Wakame Konbu Books

The Great Jahy Will Not Be Defeated! 01

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Puny and powerless after an unfortunate encounter with a magical girl, the Dark Realm's Number Two has her work cut out for her in the world of humans!The Great Jahy, the Dark Realm’s second-...

The Great Jahy Will Not Be Defeated! 02

By Wakame Konbu

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Puny and powerless after an unfortunate encounter with a magical girl, the Dark Realm's Number Two has her work cut out for her in the world of humans!The Great Jahy, the Dark Lord’s right-ha...

The Great Jahy Will Not Be Defeated! 03

By Wakame Konbu

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Puny and powerless after an unfortunate encounter with a magical girl, the Dark Realm's Number Two has her work cut out for her in the world of humans!When the magical girl responsible for the undo...

The Great Jahy Will Not Be Defeated! 04

By Wakame Konbu

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Puny and powerless after an unfortunate encounter with a magical girl, the Dark Realm's Number Two has her work cut out for her in the world of humans!The Great Jahy’s quest to collect mana c...

The Great Jahy Will Not Be Defeated! 05

By Wakame Konbu

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Puny and powerless after an unfortunate encounter with a magical girl, the Dark Realm's Number Two has her work cut out for her in the world of humans!After countless obstacles, the Great Jahy at l...

The Great Jahy Will Not Be Defeated! 06

By Wakame Konbu

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Puny and powerless after an unfortunate encounter with a magical girl, the Dark Realm’s Number Two has her work cut out for her in the world of humans!Fresh off a dubious victory against the...

The Great Jahy Will Not Be Defeated! 07

By Wakame Konbu

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Puny and powerless after an unfortunate encounter with a magical girl, the Dark Realm’s Number Two has her work cut out for her in the world of humans!As the Great Jahy’s hoard of mana...

The Great Jahy Will Not Be Defeated! 08

By Wakame Konbu

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Puny and powerless after an unfortunate encounter with a magical girl, the Dark Realm’s Number Two has her work cut out for her in the world of humans!With a significant war chest in her poss...

The Great Jahy Will Not Be Defeated! 09

By Wakame Konbu

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Puny and powerless after an unfortunate encounter with a magical girl, the Dark Realm’s Number Two has her work cut out for her in the world of humans!After a climactic battle against the mas...

The Great Jahy Will Not Be Defeated! 10

By Wakame Konbu

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Puny and powerless after an unfortunate encounter with a magical girl, the Dark Realm’s Number Two has her work cut out for her in the world of humans!Having collected enough mana crystals to...

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.