Lee Harrington Books

Playing well with others

By Lee Harrington

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Shibari you can use

By Lee Harrington

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Sex & Sexuality. Japanese-style rope bondage and erotic macrame may look complicated and intimidating, but you can learn the basics of this beautiful, sexy art form today. Bondage artist and educat...

More shibari you can use

By Lee Harrington

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Sexually curious adults can learn how to enjoy bedroom bondage in an easy step-by-step fashion while still being tasteful, playful, and authentic.

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.