Jens Hoffmann Books

Americana: 50 States, 50 Months, 50 Exhibitions was a long-term presentation consisting of 50 displays, each approximately one month long, exhibited between January 2011-May 2012 and coorganized by...

When Attitudes Became Form Become Attitudes

By Jens Hoffmann, Harald Szeemann, Constance Lewallen, Christian Rattemeyer, Julian Myers

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The catalogue and exhibition are intended as a sequel to Harald Szeemann's iconic show, which took place in 1969 at the Kunsthalle Bern.

Stalking Threatening and Attacking Public Figures

By Jens Hoffmann, Lorraine Sheridan, J. Reid Meloy

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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.