James Geoffrey Books

Giant killers

By James Geoffrey

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Success secrets from Silicon Valley

By James Geoffrey

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The tao of programming

By James Geoffrey

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Business without the bullsh t

By James Geoffrey

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The award-winning blogger behind the popular business blog "Sales Source," offers tips on how to be a great boss, how to deal with irritating coworkers, how to be more productive during the day and...

Identificazione di un paesaggio

By Lewis Baltz, Sandro Mescola

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How to Say It: Business to Business Selling

By Geoffrey James

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There are approximately 35 million business to business sales reps in the country selling everything from books and computers to furniture and flooring. They know as well as anyone that selling...

Business wisdom of the electronic elite

By James Geoffrey

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Giant Killers

By Geoffrey James

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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.