Leslie Gourse Books

Unforgettable

By Leslie Gourse

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Louis Children

By Leslie Gourse

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Carmen McRae

By Leslie Gourse

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"Carmen McRae is well known as one of jazz music's most masterful improvisers and is ranked among the greatest jazz singers of all time. She grew up during the swing era in Harlem, and participated...

The Billie Holiday Companion

By Leslie Gourse

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The Ella Fitzgerald Companion

By Leslie Gourse

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Straight No Chaser

By Leslie Gourse

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Art Blakey, jazz messenger

By Leslie Gourse

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Wynton Marsalis

By Leslie Gourse

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The best guided walking tours of New York City for residents and visitors

By Bill Binzen, Leslie Gourse

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Student guide to New York

By Leslie Gourse

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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.