Leon Chambers Books

Years of the Beast

By Leon Chambers

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Cambridge Academic English B2 Upper Intermediate Class Audio CD And DVD Pack: An Integrated Skills Course For EAP

By Michael McCarthy, Martin Hewings, Leon Chambers

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A three-level (B1+ to C1) integrated skills course for higher education students at university or on foundation courses. The B2 Upper Intermediate Student's Book gives students further practice in...

Cambridge Academic English B2 Upper Intermediate Student'S Book: An Integrated Skills Course For EAP

By Michael McCarthy, Martin Hewings, Leon Chambers

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A three-level (B1+ to C1) integrated skills course for higher education students at university or on foundation courses. The B2 Upper Intermediate Student's Book gives students further practice in...

Cambridge Academic English B2 Upper Intermediate Teacher'S Book: An Integrated Skills Course For EAP

By Michael McCarthy, Chris Sowton, Martin Hewings, Leon Chambers

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A three-level (B1+ to C1) integrated skills course for higher education students at university or on foundation courses. The B2 Upper Intermediate Student's Book gives students further practice in...

Cambridge Academic English B2 Upper Intermediate

By Hewings, Martin, Michael McCarthy, Hewings Martin, Martin Hewings, Leon Chambers

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A three-level (B1+ to C1) integrated skills course for higher education students at university or on foundation courses. The B2 Upper Intermediate Student's Book gives students further practice in...

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.