David Lester Books

What you know about your behavior provides only a fragmentary aspect of the total of your mind. To understand human acts, including suicide, you must be conversant with the concept of the unconscio...

Correctional counseling & rehabilitation

By Patricia Van Voorhis

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Mass Murder

By David Lester

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Suicide in American Indians

By David Lester

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Correctional counseling and rehabilitation

By Patricia Van Voorhis

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Correctional counseling and rehabilitation

By Patricia Van Voorhis

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Thinking about Suicide

By David Lester

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Suicide and the Holocaust

By David Lester

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An Encyclopedia of Famous Suicides

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.