Roger HARRIS Books

ICES Zooplankton Methodology Manual

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"This Manual provides a comprehensive account of modern methods for studying the microscopic animal plankton which form the basis of the food chains supporting all the world's major fisheries.". "...

LEGO Game Books

By DK Publishing, Anna Knight

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Race for survival

By Marie Birkinshaw, Nicola Baxter

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The other Rock Raiders try to rescue Axle, who is trapped beneath a sleeping volcano.

DK LEGO Readers Mission to the Arctic

By DK Publishing

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DK LEGO Readers Castle Under Attack Level 2 Beginning to Read Alone

By DK Publishing

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DK LEGO Readers: Mission to the Arctic

By Linda Martin, Nicola Baxter

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An exploratory team leaves the LEGO Space Port Centre for the North Pole to search for meteorites.

DK LEGO Readers: Race for Survival

By DK Publishing, Marie Birkinshaw

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The other Rock Raiders try to rescue Axle, who is trapped beneath a sleeping volcano.

Albion A Z

By Carder Timothy Harris Roger

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Rethinking Work and Learning

By Roger Harris, Stephen Mckenzie, Peter Willis

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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.