E. Charles Adams Books

The origin and development of the Pueblo Katsina cult

By E. Charles Adams

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Homol Ovi II

By E. Charles Adams

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The Protohistoric Pueblo World A.D. 1275 1600

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Homol Ovi

By E. Charles Adams

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"Beginning sometime in the thirteenth century, people from the Hopi Mesas established a cluster of villages to the south along the Little Colorado River. They were attracted by the river's resource...

River of Change

By E. Charles Adams

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Homol Ovi III

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Chevelon

By Karen R Adams, E Charles Adams PH.D.

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Homol ovi

By E. Charles Adams

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Origin and Development of the Pueblo Katsina Cult

By E. Charles Adams

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Protohistoric Pueblo World A. D. 1275 1600

By E. Charles Adams, Andrew I. Duff

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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.