Harold V. Hall Books

"Methaphetamine Use: Clinical and Forensic Aspects examines MA use and abuse from clinical, forensic, and criminal justice perspectives. It is the first to cover virtually every aspect, reviewing t...

Methamphetamine Use

By Errol Yudko, Harold V. Hall, Sandra B. McPherson

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Forensic Psychology and Neuropsychology for Criminal and Civil Cases

By Harold V. Hall

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Detecting malingering and deception

By Harold V. Hall

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Collective Violence

By Harold V. Hall

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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.