Penni Russon Books

The notes of an old music box connects two girls from very different worlds--Clara, who struggles to survive poverty and violence in a troubled city, and Claire, whose ordinary life is beset by gri...

Only ever always

By Penni Russon

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Only Ever Always

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Have you ever woken from a dream feeling it was more real than your world? Could there be someone exactly like you living another life? Claire lives in an ordinary world where everything is whole....

Only Ever Always

By Penni Russon

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Only Ever Always

By Penni Russon

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Indigo Girls

By Penni Russon

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Little Bird

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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.