Eiji Otsuka Books

The Kurosagi Corpse Delivery Service Volume 2

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The Corpse Delivery Service has helped the dead who wanted justice from the living. Now, think about how many living people would like to take vengeance on the dead. What if it were possible? When...

The Kurosagi Corpse Delivery Service Volume 3

By Eiji Otsuka

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The Corpse Delivery Service has been helping dead people move on to the afterlife . . . but what about interred internal organs? In Volume Three, Kuro is surprised to learn that the voice enli...

The Kurosagi Corpse Delivery Service Volume 14

By Eiji Otsuka

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The Kurosagi Corpse Delivery Service is back...only to find they've got competition from an evil rival version of themselves, not to mention an...American cartoon version of themselves? But don't f...

MPD-Psycho Volume 1

By Eiji Otsuka

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MPD-Psycho, the most-requested manga series in recently memory, has found a fitting home at Dark Horse Manga, where it will be presented uncut and uncensored in all of its controversial and unflinc...

MPD Psycho Volume 2

By Eiji Otsuka

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MPD-Psycho Volume Two finds multiple personality detective Kazuhiko Amamiya on a new case-which will result in even more personalities emerging inside his confused, scattered mind! A wave of grisly...

MPD Psycho Volume 3

By Eiji Otsuka

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The uncensored, uncut MPD-Psycho manga series continues, with another volume of creative crimes, slippery criminals, and an enormous, disturbing puzzle that's slowly unraveling with each...

MPD Psycho Volume 4

By Eiji Otsuka

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Feeling the weight of personal and professional rejection, stylish one-eyed reporter Toguchi embraces his dark side. The horrors he's both documented and participated in haunt him also, and a "perf...

MPD Psycho Volume 5

By Eiji Otsuka

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After last volume's surprising betrayal and bloodbath, Amamiya-the multiple personality detective of the Isono Criminal Research Lab-faces new threats from the young "Lucy 7" deviants! In the midst...

MPD Psycho Volume 6

By Eiji Otsuka

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Several months after surviving the "Ghost Condo Massacre," our favorite multiple personality detective-the man we've known as Kazuhiko Amamiya--has been missing, possibly under the control of his u...

MPD Psycho Volume 7

By Eiji Otsuka

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The uncensored, uncut manga event of the decade continues on its relentlessly bloody path, as MPD-Psycho Volume Seven shows that there's danger for our colorful cast on land, at sea, and...

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.