Allen Mandelbaum Books

From Homer to Dante

By Allen Mandelbaum

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The Divine Comedy

By Allen Mandelbaum

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Three Centuries of American Poetry

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Three Centuries of American Poetry offers a comprehensive overview of America's vast poetic heritage from 1620 to 1923. Spanning history from the Colonial Era to the early twentieth century, it fea...

Three Centuries of American Poetry

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The Odyssey Hardcover

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Journeyman

By Allen Mandelbaum

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Chelmaxioms

By Allen Mandelbaum

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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.