Azumakiyohiko Books

Yotsuba Vol 2

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Yotsuba tries her hand at drawing but the critics aren't exactly raving. Then, she develops a love of gangster movies and starts shooting her neighbors, but when her water pistol runs out of water,...

YOTSUBA Volume 3

By Azumakiyohiko

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When Jumbo holds a flower sale, Yotsuba and her father are left with more bouquets than they can handle. Yotsuba starts selling them on the street, but she'll have to hurry if she wants to see the...

Yotsuba Volume 4 Yotsuba

By Azumakiyohiko

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Yotsuba Vol 5

By Azumakiyohiko

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Yotsuba is a green-haired and wide-eyed girl who always has her befuddled neighbors' and friends' heads spinning with her energy. The comics series describes the hilarious exploits of the strange,...

Azumanga Daioh Omnibus Volume 1 Azumanga Daioh

By Azumakiyohiko

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Yotsuba Volume 6 Yotsuba

By Azumakiyohiko, Azuma Kiyohiko Azuma Kiyohiko CON

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Yotsuba 1 Yotsuba

By Azumakiyohiko

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Azu Manga Daioh

By Azumakiyohiko

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Azu Manga Daioh

By Azumakiyohiko

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Yotsuba&! 3

By Azumakiyohiko

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When Jumbo holds a flower sale, Yotsuba and her father are left with more bouquets than they can handle. Yotsuba starts selling them on the street, but she'll have to hurry if she wants to see the...

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.