Timothy Lewis Books

"Adam Colby didn't believe in marriage anymore. After Haley left him, he was convinced that lasting marriage was a fairy tale. He gave up hope of ever experiencing a lasting covenant. But then he f...

Forever Friday

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Every Friday, a postcard.Every Friday, a love poem.Every Friday for sixty years. Adam Colby is just doing his job, sorting through the unsold Alexander belongings after the estate sale. He is unpre...

Introduction to Early Welsh

By Timothy Lewis, Kuno Meyer, Strachan John

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Introduction to Early Welsh

By Timothy Lewis, Kuno Meyer, Strachan John

Average: 0.00, 0 Ratings

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.