David Leonard Books

Delayed Frontier

By David Leonard

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Evidence Law a Student s Guide to the Law of Evidence As Applied in American Trials

By Roger Park, David Leonard, Steven Goldberg, Aviva Orenstein, Dale Nance

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Amature of Prose

By David Leonard

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Good Night Lobsters

By Adam Gamble Mark Jasper

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Welcome, crustacean lovers! Young readers will enjoy learning about lobsters in the pages of this charming and beautifully illustrated board book, including cold- and warm-water lobsters, exoskelet...

Whiskey Bottle Conversation

By David Leonard

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Whiskey Bottle Conversation

By David Leonard

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Inky the Octopus

By David Leonard, Erin Guendelsberger

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Constitutional Law of Ireland

By David Leonard, Michael Forde

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Constitutional Law of Ireland

By David Leonard, Michael Forde

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Constitutional Law of Ireland

By David Leonard, Michael Forde

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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.