Graham Rickard Books

Spotlight on Diamonds

By Graham Rickard

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How places got their names.

By Graham Rickard

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How places got their names

By Graham Rickard

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Presents the stories behind the naming of seventy places all over the world, from Adelaide and Africa to Washington and Zimbabwe.

Oil

By Graham Rickard

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Discusses how oil is obtained, refined, and used for fuel and for making everyday products. Also explores related environmental issues and includes some projects.

Norman Castles Beginning History

By Graham Rickard

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Solar Energy Alternative Energy

By Graham Rickard

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Water Energy Alternative Energy

By Graham Rickard

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Wind Energy Alternative Energy

By Graham Rickard

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Geothermal Energy Alternative Energy

By Graham Rickard

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Focus on Diamonds Focus on Resources

By Graham Rickard

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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.