Jo Graham Books

All about Seasons
All about Seasons

By Jo Graham

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The lost
The lost

By Jo Graham

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Reeling from the terrible events of Homecoming: Stargate Atlantis, the team are doing whatever it takes to find their lost crew - even if it means turning to their enemies for help. While Teyla and...

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STARGATE ATLANTIS
STARGATE ATLANTIS

By Jo Graham

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STARGATE ATLANTIS Secrets
STARGATE SG 1 Moebius Squared
Stargate Atlantis
Stargate Atlantis

By Amy Griswold, Jo Graham

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STARGATE ATLANTIS Third Path
Steel Blues
Steel Blues

By Melissa Scott, Jo Graham

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The Emperor s Agent
The Emperor s Agent

By Cecile Jacques, Jo Graham

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The Ravens of Falkenau and Other Stories

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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.

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