Tony Haynes Books

Divorced and Scared No More: Practical Advice for the Newly Divorced is the second installment of the three-part trilogy written to assist readers in post-divorce related matters. Book two shares v...

Divorced and Scared No More!: Dating After Divorce: From Lemons to Zesty Lemon Sorbet

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Divorced and Scared No More: Dating After Divorce: From Lemons to Zesty Lemon Sorbet is the third installment of the Divorced and Scared No More series. This book shows readers how to turn the lemo...

A Day in the Lives of Dina Darren Dinosaur

By Tony Haynes

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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.