Martin Fred Books

Investigating environmental issues

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Part of the Explore Geography series. What is our environment? Should the high street be closed to traffic? Why does a town need a bypass? Find out the answers to these questions and other environm...

Investigating water and rivers

By Martin Fred

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Investigating environmental issues

By Martin Fred

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Investigating water and rivers

By Martin Fred

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Investigating coasts

By Martin Fred

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Part of the Explore Geography series. What is a coast? How does human activity affect coastal environments? Whay do we need to manage the coastline? Find out the answers to these questions and othe...

Volcano

By Martin Fred

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Examines how and why volcanoes erupt, their effects on people and the environment, and what is being done to prevent future devastation.

Lightning Force

By Martin Fred

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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.