Carol K. Mack Books

The chameleon variant

By Carol K. Mack

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How thunder and lightning came to be

By Beatrice Orcutt Harrell, Carol K. Mack

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Two very large and silly birds accidentally create thunder and lightning as a way to warn the Choctaw people of coming rainstorms.

A field guide to demons, fairies, fallen angels, and other subversive spirits

By Carol K. Mack

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"Seven is a groundbreaking work of documentary theater that captures the remarkable lives of a diverse and courageous group of women leaders around the world. A collaboration by seven award-winning...

A field guide to demons, fairies, fallen angels, and other subversive spirits

By Carol K. Mack

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Field Guide to Demons Fairies Fallen Angels and Other Subversive Spirits

By Carol K. Mack, Dinah Mack

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A Field Guide to Demons Vampires Fallen Angels and Other Subversive Spirits. Carol K. Mack Dinah Mack

By Carol K. Mack

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Field Guide to Demons Vampires Fallen Angels and Other Subversive Spirits

By Carol K. Mack, Dinah Mack

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A field guide to demons vampires fallen angels and other subversive spirits

By Carol K. Mack

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Field Guide to Demons Fairies Fallen Angels and Other Subversive Spirits

By Carol K. Mack, Dinah Mack

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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.