Adriana Spahr Books

Defiant Deviance

By Adriana Spahr

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Virgin envy

By Adriana Spahr, Cristina Santos, Jonathan A. Allan

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"Virgin Envy sets out to reconceive the ways we relate to virginity as a cultural construct. Who is a virgin? How do we lose our virginities? What if we regret our 'first time'? Contributors to Vir...

La sonrisa de la amargura

By Adriana Spahr

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Virgin Envy

By Adriana Spahr, Jonathan A. Allan, Cristina Santos

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Virgin Envy

By Adriana Spahr, Jonathan A. Allan, Cristina Santos

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Virgin Envy

By Adriana Spahr, Jonathan A. Allan, Cristina Santos

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Virgin Envy

By Adriana Spahr, Jonathan A. Allan, Cristina Santos

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Testimony and Trauma

By Adriana Spahr, Cristina Santos, Tracy Crowe Morey

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Historia y ficcion en tres obras de Osvaldo Soriano.

By Adriana Spahr

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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.