Margaret Marr Books

Memories of a Secret Friend

By Margaret Marr

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Pieces Of My Heart

By Margaret Marr

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The Ghosts of Daemon Yarborough

By Margaret Marr

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Darvie Harrison has found the house of her dreams—one right out of the Amityville Horror. No one has been able to spend more than a few nights in the old Yarborough Mansion, which is reportedly hau...

Between Earth and Eternity

By Margaret Marr

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Hollywood Girls Club

By Margaret Marr

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Forbidden Wolf

By Margaret Marr

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Creature

By Margaret Marr

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Banshee

By Margaret Marr

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Grave Keeper

By Margaret Marr

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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.