Jennifer Lawler Books

A proven guide for taking the Armed Services Vocational Aptitude Battery provides readers with the preparation they need to ace all ten sections of the test and offers a comprehensive review of sci...

Drug legalization

By Jennifer Lawler

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Provides an overview of legal and illegal drugs and their history of use in the United States and supporting arguments for the status quo as well as for decriminalization.

Cyberdanger and Internet Safety

By Jennifer Lawler

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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.