Mark T. Barnes Books

The Pillars of Sand

By Mark T. Barnes

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Pillars of Sand The

By Mark T. Barnes

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The Obsidian Heart

By Mark T. Barnes, Barnes, Mark T.

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A plot to overthrow the Shrīanese Federation has been quashed, but the bloody rebellion is far from over...and the struggle to survive is just beginning. Warrior-mage Indris grows weary in his fail...

The Pillars of Sand Echoes of Empire

By Mark T. Barnes

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The Pillars of Sand Echoes of Empire Book 3

By Mark T. Barnes

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Story Behind the Book

By L. E. Modesitt Jr., Eric Brown, Jo Walton, Michael Logan, Ivana Steiner, Keith Brooke, Ian Whates, Kristijan Meic, F. R. Tallis, Nina Allan

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Garden of Stones The

By Nick Podehl, Mark T. Barnes

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The Garden of Stones Echoes of Empire Book 1

By Mark T. Barnes

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The Garden Of Stones

By Mark T. Barnes

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An uneasy peace has existed since the fall of the Awakened Empire centuries ago. Now the hybrid Avān share the land with the people they once conquered: the star-born humans; the spectral, undead N...

Dimension6

By Keith Stevenson, Shauna O Meara, Trent Jamieson, Robert Stephenson, Mark T. Barnes

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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.