David Lester Books

The Economy and Suicide

By Bijou Yang, David Lester

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Joynson-Hicks on UK copyright law

By David Lester

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The lonely lady of San Clemente

By David Lester, Lester David

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Assessment Treatment and Prevention of Suicidal Behavior

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"This book provides the most current and comprehensive source of information, guidelines, and case studies for working with clients at risk of suicide. It offers clinicians, counselors, and other m...

Is There Life After Death An Examination of the Empirical Evidence

By David Lester

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Suicide

By David Lester

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The structure of the mind

By David Lester

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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.