Allen Christenson Books

The Myths Of The Popol Vuh In Cosmology, Art, And Ritual

By Frauke Sachse, Allen Christenson, Holley Moyes, Allen J. Christenson, Holley Moyes, Allen J. Christenson, Frauke Sachse

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This volume offers an integrated and comparative approach to the Popol Vuh, analyzing its myths to elucidate the ancient Maya past while using multiple lines of evidence to shed light on the text....

Myths of the Popol Vuh in Cosmology Art and Ritual

By Holley Moyes, Frauke Sachse, Allen J. Christenson

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Popol Vuh

By Allen Christenson

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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.