Tony Lee Books

Messenger

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Graphic novel retelling of the story of Joan of Arc, who inspired and led French armies to fight for freedom against the British, only to be captured and executed when she was nineteen years old.

Doctor Who Archives: The Eleventh Doctor Vol. 1

By Tony Lee

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The journey starts here, with the first installment of Doctor Who: The Eleventh Doctor Archives! Join the Doctor, Amy and Rory as they explore the wonders of time and space - where nothin...

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.

Tony Lee Books

Messenger

Jigsaw lady

Doctor Who Archives: The Eleventh Doctor Vol. 1

Hope Falls

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?