Mary Ellen Porter Books

Into thin air

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When a child is abducted in front of Laney Kensington, she desperately tries to save the girl. But Laney is shot and left for dead; the kidnappers, their dark van and the girl long gone. FBI agent...

The Foolish Woman

By Dorothy M. Lyon

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Christmas Mountain Protector

By Margaret Daley, Mary Ellen Porter

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Trained to Protect

By Elizabeth Goddard, Mary Ellen Porter

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Off the Grid

By Mary Ellen Porter

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Into Thin Air

By Mary Ellen Porter

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Off the Grid Christmas Love Inspired Suspense

By Mary Ellen Porter

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Strength and Valor

By Becky Avella, Mary Ellen Porter

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Trained to Protect

By Elizabeth Goddard, Mary Ellen Porter

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Christmas Mountain Protector

By Margaret Daley, Mary Ellen Porter

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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.