Christopher Shelley Books

The Self and Personality Structure Core Concepts in Therapy

By Paul M. Brinich, Christopher Shelley

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Contemporary Perspectives on Psychotherapy and Homosexualities

By Christopher Shelley

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Contemporary Perspectives on Psychotherapy and Homosexualities

By Christopher Shelley

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Self and Personality Structure

By Christopher Shelley, Paul Brinich

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Transpeople

By Christopher Shelley

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"Transgendered people face myriad forms of prejudice in their everyday lives, not only from social conservatives, but even from many leftists, psychiatrists, feminists, and lesbians and gays. In Tr...

Transpeople

By Christopher Shelley

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Transpeople

By Christopher Acton Shelley

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Best Ceremony Ever

By Christopher Shelley

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Best Ceremony Ever

By Christopher Shelley

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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.