Jan Coffey Books

"Four seemingly disparate lives are beginning to unravel... and one person is holding the strings... On the eve of a new satellite launch, the fiancé of NASA project manager Alanna Mendes is appare...

Marriage of Minds Collaborative Writing

By May McGoldrick, James A McGoldrick Ph.D., Nikoo McGoldrick, Jan Coffey, Nik James

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The Janus Effect

By Jan Coffey

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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.

Jan Coffey Books

Tropical Kiss

Trust Me Once

Twice Burned

Fourth victim

Five in a row

Silent Waters

The Project

The puppet master

Marriage of Minds Collaborative Writing

The Janus Effect

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

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