Ryo Hanada Books

Blackguard 3

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I don't want to lose you.Minami has never really felt any sort of attachment to the world around him...until now. Miyaji is infected, and all Minami can think about is how to save his comrade-in-ar...

Blackguard 4

By Ryo Hanada

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Minami, what would you do if Miyaji asked you to kill him?A new breed of shojo has invaded Pricketpolis. The city has fallen into chaos, and no one is safe. Some promise their loved ones that they...

Blackguard 5

By Ryo Hanada

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Your life is yours. Don't live for anyone but yourself.The PL-41 virus brought home from outer space has left the world unrecognizable. No place is safe, and no one knows when they’ll die. Bu...

Devils' Line 10

By Ryo Hanada

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Anzai travels to Obihiro to learn the circumstances surrounding his birth as part of the Hybrid Plan, and the reason why Midori chose Tamaki for a partner. Tsukasa is also at ONL to read academic j...

Devils' Line 2

By Ryo Hanada

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Anzai, suffering badly after a run-in with a sniper, is rescued at the last minute by a mysterious blond devil who gives him enough human blood to heal his wounds. Embarrassed by the way he lost co...

Devils' Line 5

By Ryo Hanada

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Dr. Kano sets up a "chance meeting" between the unsuspecting Anzai and his mother. Lee visits a blood donor as we catch a glimpse into his past at ONLO. Anzai's breach of the stand-down order...

Devils' Line 13

By Ryo Hanada

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A modern dark fantasy tale set in a world full of vampires and vampire hunters full of romance, hope and action that pops off the page through the wonderful art of a debut artist. Kikuhara comes to...

Devils' Line 12

By Ryo Hanada

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The GPS bullet lodged in Lee's leg was removed by the capable hands of Queen, a central figure in the old CCC. But as payment for the surgery, Lee will become a poster boy for Queen's devil advocac...

Devils' Line 14

By Ryo Hanada

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"When I saw her again after we broke up, I was relieved. I felt like I’d come home to the place where I belong…"After the dramatic showdown between the devil advocates and the governme...

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.

Ryo Hanada Books

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?