Mavis Thorpe Clark Books

Spark of opal

By Mavis Thorpe Clark

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Iron mountain

By Mavis Thorpe Clark

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Pastor Doug

By Mavis Thorpe Clark

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New golden mountain

By Mavis Thorpe Clark

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If the earth falls in

By Mavis Thorpe Clark

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Resentful of her poverty, a fifteen-year-old girl decides to run away, but her involvement with two rival boys leads not to a new life but a fight for survival as all three are trapped in a caved-i...

THE BROWN LAND WAS GREEN and THE MIN-MIN ( Australian Children's Classics)

By Mavis Thorpe Clark

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No Mean Destiny

By Mavis Thorpe Clark

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Iron Mountain

By Mavis Thorpe Clark

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Trust the Dream: An Autobiography

By Mavis Thorpe Clark

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Joan & Betty Rayner, strolling players.

By Mavis Thorpe Clark

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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.