Adrian Doff Books

Language In Use Pre-Intermediate Tests

By Christopher Jones, UNIVERSITY OF CAMBRIDGE., Adrian Doff

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Each of the four levels comprises about 80 hours of class work, with additional time for the self-study work. The Teacher's Book contains all the pages from the Classroom Book, with interleaved tea...

Feelings Cte

By Adrian Doff, C. J. Jones, Adrian Doff And Christopher Jones

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viii,112p. : 25 cm +

Feelings Teachers

By Adrian Doff, C. J. Jones, Adrian Doff And Christopher Jones

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viii,112p. : 25 cm +

Feelings Students

By Christopher Jones, C.J. Jones, Adrian Doff

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viii,112p. : 25 cm +

Meanings Into Words Intermediate Student'S Cassette: An Integrated Course For Students Of English

By Christopher Jones, Keith Mitchell, Adrian Doff

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Meanings Into Words Intermediate: An Integrated Course For Students Of English

By Christopher Jones, Keith Mitchell, Adrian Doff

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Meanings Into Words Upper-Intermediate Student'S Cassette: An Integrated Course For Students Of English

By Christopher Jones, Keith Mitchell, Adrian Doff

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Meanings Into Words Upper-Intermediate: An Integrated Course For Students Of English

By Christopher Jones, Keith Mitchell, Adrian Doff

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Meanings Into Words Intermediate Student'S Book: An Integrated Course For Students Of English

By Christopher Jones, Keith Mitchell, Adrian Doff

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Meanings Into Words Intermediate Workbook: An Integrated Course For Students Of English

By Christopher Jones, Keith Mitchell, Adrian Doff

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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.