Geoff Shackelford Books

"In The Golden Age of Golf Design, the original work of these "master" architects is remembered and their work analyzed. And even though the emphasis is on the newly uncovered photographs of these...

The good doctor returns

By Geoff Shackelford

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Grounds for Golf

By Geoff Shackelford, Gil Hanse

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The Future of Golf

By Geoff Shackelford

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Lines of Charm

By Geoff Shackelford

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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.