Gregory M. Cook Books

Ernest Buckler,

By Gregory M. Cook

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Untying the Tongue The Palm Poets Series

By Gregory M. Cook

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Love from backfields

By Gregory M. Cook

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Love in flight

By Gregory M. Cook

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Alden Nowlan

By Gregory M. Cook

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"Alden Nowlan, born near Windsor, Nova Scotia, in 1933, was a poet, journalist, novelist and playwright who overcame the disadvantages of poverty and a mere four grades of education, to publish mor...

One heart, one way

By Gregory M. Cook

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Love En Route

By Gregory M. Cook

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Songs of the Wounded

By Greg Cook

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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.