Brian McDonald Books

Safe Harbor: A Murder in Nantucket

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Traces the October 2004 murder of Elizabeth Lochtefeld, who relocated to Nantucket after amassing a fortune in Manhattan and fell victim to her mercurial boyfriend Tim Toolan, a former vice preside...

In the Middle of the Night: The Shocking True Story of a Family Killed in Cold Blood

By Brian McDonald

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No Guts No Glory

By Brian McDonald

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The World Trading System

By Brian McDonald

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My Father s Gun

By Brian McDonald

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My father s gun

By Brian McDonald

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"... powerful memoir about three generations of New York City policemen."--Dust jacket.

Invisible Ink

By Brian McDonald

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The golden theme

By Brian McDonald

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The Golden Theme

By Brian McDonald

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Ink Spots

By Brian McDonald

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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.