Dennis Murphy Books

Darkness at the stroke of noon

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When a flash fire claims the lives of two archaeologists at a dig on remote Victory Island in Nunavut, RCMP Sergeant Booker Kennison is dispatched to investigate. Ruby Cruz, ex-FBI agent, is also o...

One Man s Story of Divorce

By Dennis Murphy

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Treasured Stories By Dennis Murphy

By Dennis Murphy

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Getting Ahead

By Dennis Murphy, Marilyn Johnson

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SPD Blue True Crime

By Dennis Murphy

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Sergeant

By Dennis Murphy

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Day of the Asteroids

By Dennis Murphy

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Transformed

By Dennis Murphy

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View from the Trenches

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SPD BLUE True Crime

By Dennis Murphy

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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.