Roger B. Jeans Books

Roads Not Taken

By Roger B. Jeans

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Democracy and socialism in Republican China

By Roger B. Jeans

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This book is the first full-length English-language study to explore the struggles for constitutional democracy and democratic socialism of Zhang Junmai [Carsun Chang, 1887-1969], a major political...

Democracy and socialism in Republican China

By Roger B. Jeans

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George C. Marshall's mediation mission to China, December 1945-January 1947

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The Letters and Diaries of Colonel John Hart Caughey 1944 1945

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Roads Not Taken

By Roger B. Jeans

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Roads Not Taken

By Roger B. Jeans, Marilyn M. Levine, Parks M. Coble, Edward S. Krebs

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Roads Not Taken

By Roger Jeans, Marilyn M. Levine, Edward S. Krebs, Parks Coble

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Democracy and Socialism in Republican China

By Roger B. Jeans

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Terasaki Hidenari Pearl Harbor and occupied Japan

By Roger B. Jeans

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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.