Geoff Barker Books

Casting Couch Confidential. The Good, the Bad and the Ugly Business of the Beautiful People

By Bessie Barker Bardot

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By the Pond Look What I ve Found

By Geoffrey Barker, Paul Humphreys

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Examines issues around water, the most basic natural resource and why water is so important to us in all aspects of our lives, including health and hygiene, food production and industry. Explains w...

By the pond

By Geoff Barker

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Sports Star

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Football Star

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Pakistan

By Geoff Barker

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Pakistan was formed in 1947 as a Muslim country and remains home to one of the world's largest Muslim populations. Since it was formed it has grown quickly and the country is working hard to improv...

Pakistan

By Geoff Barker

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How renewable energy works

By Geoff Barker

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Presents information about different types of renewable energy and how they are produced, looking at solar, wind, hydroelectric, tidal, geothermal, biomass, biogas, and fuel cells energy.

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.