Carole Llewellyn Books

Megan

By Carole Llewellyn

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Rhiannon

By Carole Llewellyn

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Women of Straw

By Carole Llewellyn

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Rhiannon

By Carole Llewellyn

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The year is 1909 and 15-year-old Rhiannon Hughes and her young stepsister, Mair, find themselves abandoned and alone. They are forced to leave their colliery cottage in the Welsh Valleys and take r...

Rhiannon

By Carole Llewellyn

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For the love of Catherine

By Carole Llewellyn

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In the chaos aboard the sinking Titanic, Mair Parsons is separated from her infant daughter, Catherine, and her travelling companion and future mother-in-law, Ethel Jenkins. The disaster changes al...

For the love of Catherine

By Carole Llewellyn

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For The Love Of Catherine

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Rhiannon

By Carole Llewellyn

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Rhiannon

By Carole Llewellyn

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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.