Mark Cumming Books

"The Carlyle Encyclopedia is the new standard, single-volume reference work on the lives and writings of Thomas and Jane Welsh Carlyle. Written by over fifty contributors from the United States, Sc...

The group of one

By Mark Cumming

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Thomas Carlyle the French Revolution

By Brent E. Kinser, Mark Cumming, David R. Sorensen, Mark Engel

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Disimprisoned Epic

By Mark Cumming

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Carlyle Encyclopedia

By Mark Cumming

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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.