Stephen Unwin Books

Guia de Las Obras Dramaticas de Shakespeare

By Stephen Unwin, Kenneth MacLeish

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The lady from the sea

By Stephen Unwin

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Lady from the Sea

By Stephen Unwin, Henrik Ibsen

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A guide to the plays of Bertolt Brecht

By Stephen Unwin

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Unwin provides a guide to Brecht's plays that will prove useful to the student, teacher and theatre practitioner. Grouping and analysing plays chronologically according to their context Unwin also...

Guide to the Plays of Bertolt Brecht

By Stephen Unwin

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Guide to the Plays of Bertolt Brecht

By Stephen Unwin

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All Our Children

By Stephen Unwin

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So You Want to Be a Theatre Director

By Stephen Unwin

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Complete Brecht Toolkit

By Stephen Unwin

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All Our Children

By Stephen Unwin

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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.