Martha Carr Books

Learning from text across conceptual domains

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Magic Underground

By Michael Anderle, Martha Carr

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The list

By Martha Randolph Carr

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WarMage

By Michael Anderle, Martha Carr

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Quote The Drow Nevermore

By Michael Anderle, Martha Carr, Martha Carr & Michael Anderle

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Have you ever been caught between two identities? Cheyennes come face-to-face with her jailbird Drow dad. She has to come to terms with the whole picture of her family. Mom was a political operativ...

Combatant

By A.L. Knorr, Michael Anderle, Martha Carr

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House of Enchanted The Revelations of Oriceran Soul Stone Mage

By Michael Anderle, Sarah Noffke, Martha Carr

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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.