David Farmer Books

So far as is reasonably practicable!

By David Farmer

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The life and times of Swansea R.F.C.

By David Farmer

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101 Drama Games and Activities

By David Farmer

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Learning Through Drama in the Primary Years

By David Farmer, David Hurtado

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101 More Drama Games and Activities

By David Farmer

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The learning book

By David L. Farmer

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A former teacher gives students and their parents a step-by-step, user friendly guide for applying principles and techniques that incorporate dominant learning styles into their homeschooling. Incl...

The learning book

By David L. Farmer

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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.