Hiroyuki Arai Books

Oekaki shiritori

By Kotaku Yoshinaga, Noritake Suzuki, Nao Takabatake, Hiroyuki Arai

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Happi Harouin

By Hiroyuki Arai

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Bikkuri hanabi

By Hiroyuki Arai

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Where Has The Moon Gone

By Hiroyuki Arai

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Two little mice love to look at the moon. One morning, they wonder where the moon goes during the day, so they decide to search for it. What will they find an orange, a balloon, or the marvelous moon?

Measurement of Mobile Antenna Systems

By Hiroyuki Arai

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Tsumiki daisakusen

By Hiroyuki Arai

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Hi bobo

By Hiroyuki Arai

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Mizu chapon

By Hiroyuki Arai

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Obake to kakurenbo

By Hiroyuki Arai

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Uchu senkan Yamato to 70 nendai Nippon

By Hiroyuki Arai

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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.