Takeshi Konomi Books

After Tokyo is chosen as the site for the upcoming Nationals, Hyotei gets a shot at redemption by being given an invitational berth in the tournament. Meanwhile, a prodigy from Kansai is making hi...

"After arriving at the Nationals, Seishun scouts their upcoming opponents: their old rivals Rokkaku, and an unknown team from Okinawa, Higa Junior High. After watching Higa mow through their first-...

The Prince of Tennis Volume 7

By Takeshi Konomi

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The Prince of Tennis Volume 8

By Takeshi Konomi

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The Prince of Tennis Volume 9

By Takeshi Konomi

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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.