Anthony F. Aveni Books

The Book of the Year

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"What is the connection between May Day and the Statue of Liberty? Between ancient solstice fires and Fourth of July fireworks? Between St. Valentine, the Groundhog, and the Virgin Mary? Why do peo...

The Book of the Year

By Anthony F. Aveni

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Archaeoastronomy in Pre Columbian American

By Anthony F. Aveni

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Written by leading specialists, the papers in this volume explore the newly developed interdisciplinary field of archaeoastronomy. Their value is enhanced by extensive citation of data for that par...

Between the Lines: The Mystery of the Giant Ground Drawings of Ancient Nasca, Peru

By Anthony F. Aveni

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"The Nasca Lines are one of the world's great enigmas. Who etched the more than 1,000 enormous animal, human, and geometric figures that cover 400 square miles of barren pampa in southern Peru? How...

Skywatchers: A Revised and Updated Version of Skywatchers of Ancient Mexico

By Anthony F. Aveni

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Skywatchers: A Revised and Updated Version of Skywatchers of Ancient Mexico

By Anthony F. Aveni

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Native American astronomy

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Skywatchers of ancient Mexico

By Anthony F. Aveni

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Skywatchers of Ancient Mexico

By Anthony F. Aveni

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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.