Eric R. Hoffman Books

By the hours

By Eric R. Hoffman

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Presence of life

By Eric R. Hoffman

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"This in-depth work, the first collection of critical essays on Cerebus, provides a multifaceted approach to Sim and Gerhard's complex and entertaining oeuvre, including their innovative use of the...

Approaching Twin Peaks

By Eric R. Hoffman, Dominick Grace

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"This collection of new essays explores its filmic influences, its genre-bending innovations and it use of horror and science fiction conventions, from the original series through the earlier film...

Oppen

By Eric R. Hoffman

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The American eye

By Eric R. Hoffman

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Forms of life

By Eric R. Hoffman

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The transparent eye

By Eric R. Hoffman

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Circumference of the Sun

By Eric Hoffman

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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.