Elizabeth MacDonald Books

Mike's Kite

By Elizabeth MacDonald

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Difficult Conversations in Medicine

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The Law of Contract

By Laurence Koffman, Elizabeth Macdonald

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Koffman & Macdonald's Law of Contract

By Macdonald Elizabeth Professor Of Law

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The Boulevard Book: History, Evolution, Design of Multiway Boulevards

By Elizabeth Macdonald, Allan B. Jacobs, Yodan Rofe

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"First built in Europe and grandly imported to the United States in the mid-nineteenth century, the classic multiway boulevard has been in decline for many years, victim of a narrowly focused appro...

The Boulevard Book

By Elizabeth Macdonald, Allan B. Jacobs, Yodan Rofe

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A celebration of the multiway boulevard and an argument for its revival, with design guidelines and historic examples.First built in Europe and grandly imported to the United States in the mid-nine...

Exemption Clauses Penalty Clauses and Unfair Terms

By Elizabeth Macdonald LLB LLM

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The Two Sisters

By Elizabeth MacDonald

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The Incredible Magic Plant Macdonald

By E. MacDonald, Elizabeth MacDonald

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The Little Weather House

By Elizabeth MacDonald

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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.