Susan P. Llewelyn Books

What is Clinical Psychology?

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Each chapter of this book focuses on one aspect of the field (for example working with children, the intellectually impaired, or with addictions), and includes background information and context, t...

Women's lives

By Susan P. Llewelyn

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Women's lives

By Susan P. Llewelyn

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Nursing in the Community Psychology in Action

By Dennis R. Trent, Susan P. Llewelyn

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Nursing in the Community Psychology in Action

By Dennis R. Trent, Susan P. Llewelyn

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Handbook of Clinical Health Psychology

By Susan Llewelyn, Paul Kennedy, Susan P. Llewelyn

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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.