CLAMP Books

Chobits 20th Anniversary Edition 3

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If you've never experienced this unique, cute sci-fi romance about what it means to be human, now's your chance! One of the biggest hits from CLAMP, creators of xxxHOLiC and Magic Knight Rayearth,...

Chobits 20th Anniversary Edition 4

By CLAMP

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If you've never experienced this unique, cute sci-fi romance about what it means to be human, now's your chance! One of the biggest hits from CLAMP, creators of xxxHOLiC and Magic Knight Rayearth,...

CLOVER (Hardcover Collector's Edition)

By CLAMP

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The sci-fi classic from the creators of xxxHOLiC and Cardcaptor Sakura returns, in a remastered, hardcover edition, featuring the entire CLOVER series. One of CLAMP's most ambitious works -- part A...

Cardcaptor Sakura: Clear Card 10

By CLAMP

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Seventeen years after the original Cardcaptor Sakura manga ended, CLAMP returns with more magical clow card adventures!Curiouser and Curiouser When a mysterious boy in robes appears during che...

Cardcaptor Sakura: Clear Card 11

By CLAMP

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Seventeen years after the original Cardcaptor Sakura manga ended, CLAMP returns with more magical clow card adventures!The Opposite of Happiness  In the middle of art class, something Sakura s...

Cardcaptor Sakura: Clear Card 12

By CLAMP

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Seventeen years after the original Cardcaptor Sakura manga ended, CLAMP returns with more magical clow card adventures!Tick Tock, Tick Tock...Yuna D. Kaito can use magic to control time. Does Akiho...

Cardcaptor Sakura: Clear Card 13

By CLAMP

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Seventeen years after the original Cardcaptor Sakura manga ended, CLAMP returns with more magical clow card adventures!There's No Going BackEvery dream creates another Clear Card. As if keeping pac...

Cardcaptor Sakura: Clear Card 14

By CLAMP

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Seventeen years after the original Cardcaptor Sakura manga ended, CLAMP returns with more magical clow card adventures!Familiar, Yet StrangeAfter disappearing from the stage in the middle of the Al...

Magic Knight Rayearth 1 (Paperback)

By CLAMP

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Fans of Sailor Moon, She-Ra, and Miraculous: Dive into the original girl-power isekai adventure! CLAMP's masterwork returns in a large-format paperback. The tale of three Tokyo teenagers who cross...

Magic Knight Rayearth 2 (Paperback)

By CLAMP

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Fans of Sailor Moon, She-Ra, and Miraculous: Dive into the original girl-power isekai adventure! CLAMP's masterwork returns in a large-format paperback. The tale of three Tokyo teenagers who cross...

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.

CLAMP 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?