John N. Serio Books

A beautiful new edition—the first in nearly twenty years—of the work of Wallace Stevens, a founding father of contemporary American poetry, with a dazzling range of work that is at once emotional a...

Teaching Wallace Stevens

By John N. Serio

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Wallace Stevens is not only one of the most important twentieth-century American poets but also one of the most difficult to teach. The inaccessibility of his work, even for practiced readers, is l...

Cambridge Companion to Wallace Stevens

By John N. Serio

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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.