Gary Leonard Books

Make The Music Go Bang!: The Early L.A. Punk Scene

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Eucalypts of the Sydney region

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An invaluable, field guide designed to fit into a backpack for anyone who spends time in the Australian bush, whether they are bushwalkers, students, botanists, field ecologists or foresters. The b...

Take My Picture Gary Leonard

By Leonard Gary., Gary Leonard

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Symphony in Steel

By Gary Leonard

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Microsoft Unity for IT Men

By Gary Leonard

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Leafletjs Handbook

By Gary Leonard

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Windows Azure Sql Reporting Jump Start

By Gary Leonard

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Spark for IT Men

By Gary Leonard

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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.