Robert Gregg Books

Inside Out, Outside in

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"Inside Out, Outside In takes familiar historical narratives and provides alternative readings for them. The work expands the parameters of comparative history by focusing on the economic, social,...

Encyclopedia of Contemporary American Culture

By Cindy H. Wong, Robert Gregg, Gary W. McDonogh

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Sparks from the anvil of oppression

By Gregg Robert

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Sparks from the Anvil of Oppression

By Robert Gregg

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Encyclopedia of Contemporary American Culture

By Cindy H. Wong, Robert Gregg, Gary W. McDonogh

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Administration of Economic and Social Programs

By Robert Gregg, Leland M. Goodrich, Theodor Meron, Gerard J. Mangone

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Administration of Economic and Social Programs

By Robert Gregg, Leland M. Goodrich, Theodor Meron, Gerard J. Mangone

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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.