Nancy D. Polikoff Books

Beyond Straight and Gay Marriage

By Nancy D. Polikoff

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Beyond (Straight and Gay) Marriage

By Nancy Polikoff

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Beyond (Straight and Gay) Marriage reframes the family-rights debate by arguing that marriage shouldn't bestow special legal privileges upon couples because people, both heterosexual and LGBT, live...

Beyond (Straight and Gay) Marriage

By Nancy Polikoff

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The debate over marriage equality for same-sex couples rages across the country. Beyond (Straight and Gay) Marriage boldly moves the discussion forward by focusing on the larger, more fundamental i...

Beyond Marriage

By Michael Bronski, Nancy D. Polikoff

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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.