Marcel Lewinski Books

American government today

By Marcel Lewinski

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American Government Today Student Text

By Marcel Lewinski

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Consent of the governed

By Marcel Lewinski

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Test Generator Teacher s Guide Consent of the Governed A Study of American Government

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A textbook for the study of American government, focusing on such areas as its historical foundations, rights and responsibilities of citizenship, participation in government, the branches of natio...

World History

By Wayne E. King, Marcel Lewinski

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AGS World History Teacher s Edition

By Marcel Lewinski Wayne E. King

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World History

By Wayne E. King, Marcel Lewinski

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WORLD GEOGRAPHY AND CULTURES TEACHERS EDITION

By AGS Secondary

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Economics 10 Se Low Level

By AGS Secondary

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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.