Constable Cathryn Books

Wolf Princess

By Constable Cathryn

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White Tower

By Constable Cathryn

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Wolf Princess

By Constable Cathryn

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The wolf princess

By Constable Cathryn

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Alone in the world, Sophie dreams of being someone special, but she could never have imagined this . On a school trip to Russia, Sophie and her two friends find themselves on the wrong train. They...

The wolf princess

By Constable Cathryn

Average: 0.00, 0 Ratings

Alone in the world, Sophie dreams of being someone special, but she could never have imagined this . On a school trip to Russia, Sophie and her two friends find themselves on the wrong train. They...

The wolf princess

By Constable Cathryn

Average: 0.00, 0 Ratings

Alone in the world, Sophie dreams of being someone special, but she could never have imagined this . On a school trip to Russia, Sophie and her two friends find themselves on the wrong train. They...

White Tower

By Constable Cathryn

Average: 0.00, 0 Ratings

Pearl in the Ice ebook

By Constable Cathryn

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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.