Steven Gershon Books

English Upgrade

By Chris Mares, Steven Gershon

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Present yourself 1

By Steven Gershon

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"Present Yourself is a presentation skills course for adult and young adult learners of English, developed within the framework of a general conversation course"--Provided by publisher.

Present Yourself 1 Teacher s Manual

By Steven Gershon

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Present yourself 2

By Steven Gershon

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"Present Yourself is a presentation skills course for adult and young adult learners of English, developed within the framework of a general conversation course"--Provided by publisher.

Present Yourself 2 Teacher s Manual

By Steven Gershon

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Present Yourself Level 1 Student s Book with Digital Pack

By Steven Gershon

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Present Yourself Level 2 Student s Book with Digital Pack

By Steven Gershon

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Present Yourself 1 Student s Book

By Steven Gershon

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Present Yourself 2 Student s Book

By Steven Gershon

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English Upgrade Japan

By Chris Mares, Steven Gershon

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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.