Carol Mattusch Books

Greek Bronze Statuary

By Carol C. Mattusch, Carol Mattusch

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The victorious youth

By Carol C. Mattusch

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The statue of the Victorious Youth is one of only a handful of life-size bronzes that have come down to us from antiquity. These few representatives of literally thousands of such statues that were...

The Villa dei Papiri at Herculaneum Life and Afterlife of a Sculpture Collection Getty Trust Publications J. Paul Getty Museum

By Henry Lie, Carol C. Mattusch

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Enduring Bronze

By Carol Mattusch

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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.