Mary McDonough Books

Lessons from the mountain

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Traces the life of the former child television star best known for her role as Erin Walton on "The Waltons," and reveals intimate details about her life after the program's run, including her depre...

One year

By Mary Elizabeth McDonough

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Tells the story of three generations of a prominent small-town Virginia family headed by matriarch Mary Bernadette, as the clan's women chafe against Mary Bernadette's influence, until a scandal ar...

Christmas on Honeysuckle Lane

By Mary McDonough

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One year

By Mary Elizabeth McDonough

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The House on Honeysuckle Lane Oliver s Well

By Mary McDonough

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One Year

By Mary McDonough, Nancy Peterson

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Lessons from the Mountain

By Mary McDonough

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Lessons from the Mountain

By Mary McDonough

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Lessons from the Mountain

By Mary McDonough

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One year

By Mary Elizabeth McDonough

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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.