Joseph Ketner Books

Andy Warhol Phaidon Focus

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The 'Prince of Pop' Andy Warhol redefined the boundaries between high art and popular culture, from his paintings and prints of Campbell's Soup cans, Brillo boxes, dollar bills to his multiple port...

Barry McGee Artist Book

By Barry McGee

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Image Machine

By Synne Genzmer, Joseph Ketner, Raphaela Platow

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'Image Machine' examines the role of the photograph in Andy Warhol's art, its relationship to his portrait painting and his late paintings and prints, and his rigorous documentation of his social l...

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.