Barbara Keesling Books

How to Make Love All Night

By Barbara Keesling, Ph.D. Barbara Keesling

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The Good Girl s Guide to Bad Girl Sex

By Barbara Keesling

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The Good Girl s Guide to Bad Girl Sex

By Barbara Keesling

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Sexual Pleasure

By Barbara Keesling

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Sexual healing

By Barbara Keesling

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"A guide to every known sexual problem and all possible treatments, both new and experimental, with over 125 exercises to heal specific problems as well as maintain an intimate bond in relationship...

Sexual healing

By Barbara Keesling

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Sexual healing

By Barbara Keesling

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Sexual pleasure

By Barbara Keesling

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Sexual pleasure

By Barbara Keesling

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Sexual healing

By Barbara Keesling

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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.