John Eastwood Books

Fiddle Time Joggers

By John Eastwood, David Blackwell, Kathy Blackwell

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Fiddle Time Runners a second book of easy pieces for violin Violin Book 2

By John Eastwood, David Blackwell, Kathy Blackwell

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Oxford Practice Grammar Intermediate with Answers

By John Eastwood

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Product Description Refreshed with a new design, Oxford Practice Grammar is a three-level English grammar practice series for the classroom or self-study. Its tried and trusted methodology provides...

Oxford Practice Grammar Intermediate: Without Key: Without Key Intermediate level

By John Eastwood

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Oxford Practice Grammar Intermediate: With Key and CD-ROM Pack: With Key and CD-ROM Intermediate level

By John Eastwood

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Oxford Guide to English Grammar

By John Eastwood

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Oxford Practice Grammar: With Answers

By John Eastwood

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Oxford Practice Grammar

By John Eastwood

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Oxford Practice Grammar: with answers and free CD-ROM

By John Eastwood

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Product Description Grammar reference and practice in an easy-to-use format. About the Author John Eastwood taught English in German secondary schools before joining the English Language Teaching D...

Cue for a Drill

By John Eastwood, Shiona Harkess

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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.