Joan London Books

Sister ships and other stories

By Joan London

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Jack London and His Times an Unconventiona

By Joan London

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Jack London and His Times: An Unconventional Biography

By Joan London

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Modern Catalan Plays

By John London, Joan London

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"Gilgamesh is a saga of family, lost love, and the power of storytelling. It is 1937. The modern world, they say, is waiting to erupt. On a tiny farm in far southwestern Australia, seventeen-year-o...

Gilgamesh

By Joan London

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The Good Parents

By Joan London

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So Shall Ye Reap

By Henry Anderson, Joan London

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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.