Walker, Philip. Books

Electronic Security Systems: Better Ways To Crime Prevention

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Within the context of risk analysis and intervention, Part 1 examines security system concepts and reviews the fundamentals of space detection, including indoor and outdoor intruder and movement de...

Electronic Security Systems: Reducing False Alarms

By Philip Walker, Walker, Philip.

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Comprehensive coverage of electronic security systems Written by an experienced security professional Fully updated to examine new equipment Gives extensive help on avoiding false alarms In the lat...

The Victorian Catalogue Of Tools For Trades And Craft

By Philip Walker, Walker, Philip.

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Ghazala

By Philip Walker, Walker, Philip.

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Victorian Catalogue Of Tools For Trades

By Philip Walker, Walker, Philip.

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The Fox Courts Trouble

By Philip Walker, Walker, Philip.

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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.