Janet W. Hardy Books

The classic guide to love, sex, and intimacy beyond the limits of conventional monogamy has been fully updated to reflect today’s modern attitudes and the latest information on nontraditional relat...

Schlampen mit Moral

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Notes of an Aging Pervert

By Janet W. Hardy

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The Ethical Slut's Companion

By Janet W. Hardy, Dossie Easton

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Discover the possibilities of joyous, sustainable relationships with yourself and others through this thoughtful and engaging workbook from the bestselling authors of the groundbreaking The Ethical...

The Ethical Slut's Companion

By Janet W. Hardy, Dossie Easton

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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.