John Roberson Books

Japan meets the world

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Examines the history of Japan through various stages of progress and isolationism, including its rise to world power, up to the present day and the current Asian economic crisis.

Meat Cookbook

By Marie Joint Author Roberson, John Roberson

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Trade

By Charles Alverson, John Roberson

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Martha

By John Roberson

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Vladrushka No. 1

By John Roberson

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Suspension of Disbelief

By John Roberson

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Vladrushka No. 1

By John Roberson

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LULU Book 1

By Martin Pasko, John Roberson, Frank Wedekind

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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.