Ryo Sahashi Books

North Korea

By John S. Park, Katsuhisa Furukawa, Yuki Tatsumi, Yasuhiro Izumikawa, Ryo Sahashi, L. Gordon Flake, Yoshihide Soeya, Scott A. Snyder, Balbina Y. Hwang, Alan D. Romberg

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Looking for leadership

By Ryo Sahashi, James Gannon

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"Democratic leaders around the globe are finding it increasingly difficult to exercise strong leadership and maintain public support. Nowhere has this proven to be as challenging as in Japan, which...

Looking for Leadership

By Ryo Sahashi, James Gannon, Yuichi Hosoya, Yuka Uchida Ando

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Asia Rising

By Ryo Sahashi, Waka Aoyama, Yasuhiro Matsuda

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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.