Lloyd Ultan Books

Bronx Accent

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"This book captures the Zeitgeist of The Bronx through the eyes of its writers - both past literary figures and emerging talents. Lloyd Ultan and Barbara Unger place this literature in its historic...

Music Theory

By Lloyd Ultan

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Music theory -- History

Music theory

By L. Ultan

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The beautiful Bronx (1920-1950)

By Ultan Lloyd.

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Legacy of the Revolution

By Ultan Lloyd.

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The presidents of the United States

By Ultan Lloyd.

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The Bronx

By Ultan Lloyd., Lloyd Ultan

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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.