Dan Foulder Books

Wjec Biology As Student Unit Guide

By Dan Foulder

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WJEC A2 biology student unit guide

By Dan Foulder

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Perfect for revision, these guides explain the unit requirements, summarise the content and include specimen questions with graded answers. Endorsed by WJEC, this full-colour Student Unit Guide pro...

WJEC A2 biology student unit guide

By Dan Foulder

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Wjec Biology A2 Student Unit Guide

By Dan Foulder

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Edexcel a Level Biology 1 Teaching and Learning Resources

By John Mynett, Margaret Royal, Dan Foulder

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Essential Maths Skills for AS a Level Biology

By Dan Foulder

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Edexcel a Level Biology 2 Teaching and Learning Resources

By John Mynett, Margaret Royal, Dan Foulder

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Biology Unit 1

By Melanie Gray, Dan Foulder

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WJEC Biology Student Guide 1

By Dan Foulder

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Biology Unit 1

By Melanie Gray, Dan Foulder

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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.