Joan London Books

Jack London and His Times an Unconventiona

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It is 1954 and thirteen-year-old Frank Gold, refugee from wartime Hungary, is learning to walk again after contracting polio in Australia. At the Golden Age Children's Polio Convalescent Home in Pe...

Jack London and his daughters

By Joan London

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Gilgamesh

By Joan London, Deidre Rubenstein

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Gilgamesh

By Joan London, Deidre Rubenstein

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The golden age

By Joan London

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Elsa et Frank

By Alice Seelow, Joan London

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Gilgamesz

By Joan London

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La Edad de Oro

By Mercedes Pineda, Joan London, Catalina Martinez

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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.