Sara Constantakis Books

Drama for students

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Provides critical overviews of the most-studied plays of all time periods, nations, and cultures. Includes discussions of themes, characters, critical reception, dramatic devices and traditions as...

Drama for students

By Carole L. Hamilton, Sara Constantakis

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Features analysis of the plays most frequently studied in literature classes. Entries include: introduction providing overview of play; brief biography of playwright; plot summary; discussion of pl...

Drma for Stdnt 30

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Drma for Stdnt 31

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Drama for Students

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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.