Christopher Sweet Books

Above Hallowed Ground

By Photographers Of The New York City Police Department, Gregory Semendinger, David Fitzpatrick, Christopher Sweet, New York City Police Dept.

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On the morning of September 11th, a new kind of horror shook the world. Terrorists crashed two passenger airliners into the World Trade Center in the worst attack on U.S. soil in the nation's histo...

Johannes Vermeer

By Christopher Sweet

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Slim Aarons

By Slim Aarons, Christopher Sweet

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Tequila Mockingbird

By Christopher Sweet

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Slim Aarons

By Slim Aarons, Christopher Sweet

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Orchid Room

By Christopher Sweet

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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.