Gwenda Bond Books

Girl Over Paris

By Kate Leth, Gwenda Bond

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Girl in the Shadows Cirque American

By Gwenda Bond

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Lois Lane is the new girl at East Metropolis High, and her instinct to ask questions brings her and her online friend, Smallville Guy, into conflict with some bullying video gamers called the Warhe...

Lois Lane

By Gwenda Bond

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Lois Lane

By Gwenda Bond

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Lois Lane has settled into life in Metropolis High, with new friends and a challenging job as a junior reporter--but after a visit to the "Suicide Slum" in search of a human interest story, she fin...

Strange Alchemy

By Gwenda Bond

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Strange Alchemy

By Gwenda Bond

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Triple Threat

By Gwenda Bond

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Triple Threat Lois Lane Book 3

By Gwenda Bond

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Strange Alchemy

By Gwenda Bond

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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.