David P. Celani Books

The Illusion of Love

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The Illusion of Love challenges the prevailing model, which views the victim of abuse as a normal woman who is unable to escape from her batterer due to the effects of terror and psychological coll...

The Illusion of Love

By David P. Celani

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Leaving Home: The Art of Separating From Your Difficult Family

By David P. Celani

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The treatment of the borderline patient

By David P. Celani

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The Treatment of the Borderline Patient

By David P. Celani

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Fairbairn s object relations theory in the clinical setting

By David P. Celani

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Fairbairn's object relations theory in the clinical setting

By David P. Celani

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Leaving Home

By Barry Moreno, Diethelm Knauf, David P. Celani

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Fairbairn's object relations theory in the clinical setting

By David P. Celani

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Eating Disorders

By Barbara P. Kinoy

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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.