Yukiya Murasaki Books

How NOT to Summon a Demon Lord (Manga) Vol. 2

By Yukiya Murasaki Illustrated By Naoto Fukuda

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OVERPOWERED OVERLORD! Ever since Takuma woke up in the world of his favorite fantasy MMO, he's had to play the part of the big bad demon lord. Now, with busty Elf Shera and cute cat-girl Rem by hi...

How NOT to Summon a Demon Lord (Manga) Vol. 3

By Yukiya Murasaki Illustrated By Naoto Fukuda

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KEYBOARD WARRIOR Diablo, Rem, and Shera have arrived at the Bridge of Ulug only to discover that an army of Fallen are marching towards Faltra! This should be no problem for a powerful Demon Lord...

How NOT to Summon a Demon Lord (Manga) Vol. 7

By Yukiya Murasaki Illustrated By Naoto Fukuda

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THE DEMON WITHIN Rem has been freed from the demon inside her, and Krebskulm—now called Klem—has entered the world in the form of an adorable little girl with an insatiable appetite fo...

How NOT to Summon a Demon Lord (Manga) Vol. 9

By Yukiya Murasaki Illustrated By Naoto Fukuda

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INTO THE WOODS With the threat of Krebskulm’s resurrection safely suppressed (for now, at least), Diablo and his companions hope to enjoy a little peace and quiet. But a mysterious young wom...

How NOT to Summon a Demon Lord (Manga) Vol. 10

By Yukiya Murasaki Illustrated By Naoto Fukuda

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A NEW THREAT With the corrupt Cardinal Council hunting Lumachina, Diablo and his companions have come to Zircon Tower, seeking the help of a Paladin. But a strange sickness runs rampant through th...

How NOT to Summon a Demon Lord (Manga) Vol. 4

By Yukiya Murasaki Illustrated By Naoto Fukuda

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THE DEVIL YOU KNOW... When Shera's brother Keera tracks down Diablo and the others, he demands that Diablo remove the enslavement spell on Shera so he can take her back to the Elf kingdom. But She...

How NOT to Summon a Demon Lord (Manga) Vol. 5

By Yukiya Murasaki Illustrated By Naoto Fukuda

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BOSS-LEVEL BAD ASS For the first time since waking up in his favorite MMO, Diablo is up against an opponent that’s actually as strong as he is! Galford is a mighty warrior and the governor o...

How NOT to Summon a Demon Lord (Manga) Vol. 11

By Yukiya Murasaki Illustrated By Naoto Fukuda

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X MARKS THE ROT In Zircon Tower, Diablo and his companions have hit rock bottom. Batutta–the Paladin captain behind the frontier city’s deadly outbreak of Marked Death Disease–h...

How NOT to Summon a Demon Lord Volume 5

By Yukiya Murasaki

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How NOT to Summon a Demon Lord Volume 1 How NOT to Summon a Demon Lord light novel

By Yukiya Murasaki

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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.