Q Hayashida Books

"In a city so dismal it's known only as "the Hole," a clan of Sorcerers has been plucking people off the streets to use as guinea pigs for atrocious "experiments" in the black arts. In a dark alley...

Dorohedoro

By Q Hayashida

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"After an emotional reunion with Caiman, Nikaido receives a cryptic hint from a mysterious Devil on how to escape from deep within the Central Department Store. With the En family spread about a bl...

Dorohedoro

By Q Hayashida

Average: 0.00, 0 Ratings

Inside the nightmare that is the Central Department Store, the long-absent En returns, making his family's wish come true! But its faithful members are either dead or dismembered, so if En wants to...

Dorohedoro

By Q Hayashida

Average: 0.00, 0 Ratings

Contains graphic violence, disturbing imagery, full frontal nudity, alcohol and drug use, smoking and strong language. "A blood-spattered battle between diabolical sorcerers and the monsters they...

Dorohedoro

By Q Hayashida

Average: 0.00, 0 Ratings

Contains graphic violence, disturbing imagery, full frontal nudity, alcohol and drug use, smoking and strong language. "A blood-spattered battle between diabolical sorcerers and the monsters they...

Dorohedoro

By Q Hayashida

Average: 0.00, 0 Ratings

Contains graphic violence, disturbing imagery, full frontal nudity, alcohol and drug use, smoking and strong language. "A blood-spattered battle between diabolical sorcerers and the monsters they...

Dorohedoro

By Q Hayashida

Average: 0.00, 0 Ratings

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.