Robert R. Ingpen Books

Robert Ingpen

By Robert R. Ingpen

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The encyclopedia of mysterious places

By Robert R. Ingpen

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Encyclopedia of Ideas That Changed the World: The Greatest Discoveries and Inventions of Human History

By Philip Wilkinson, Robert R. Ingpen

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The Dreamkeeper

By Robert R. Ingpen

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In his letter to Alice, Grandfather describes how the Dreamkeeper captures the dreams that are full of dragons, witches, goblins, and elves, and keeps them safely away in dreamland.

Pioneer settlement in Australia

By Robert R. Ingpen

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Australian gnomes

By Robert R. Ingpen

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Marking time

By Robert R. Ingpen

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Australian inventions and innovations

By Robert R. Ingpen

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Australia's heritage watch

By Robert R. Ingpen

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Click Go the Shears

By Robert R. Ingpen

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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.