George Glass Books

Narcotics

By George Glass

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Describes narcotics, presents their dangers, and provides advice on how to get help when a person is addicted.

Electrocardiagram in Emergency and Acute Care

By William J. Brady

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Overparenting Epidemic

By David Tabatsky, George S. Glass

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Drugs and fitting in

By George Glass

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Discusses teen culture in America and how drug use has become part of that culture; offers guidance for teens on how to say no to drugs and still fit in.

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.