Janice Parker Books

A basic introduction to the many ways in which police and detectives use science to fight crime, discussing video surveillance, burglar alarms, ballistics, autopsies, handwriting analysis, and othe...

Cockroaches Cocoons and Honeycombs

By Janice Parker

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Messengers Morse code and modems

By Janice Parker

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Discusses the development of various means of communication, from the printed word through telegraph and telephone to radio, television, and computers, examining the technology that has made commun...

Engines Elevators and X Rays Science at Work Austin Tex. .

By Janice Parker

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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.