Phil C Weigand Books

The Archaeology of West and Northwest Mesoamerica

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Ensayos sobre el Gran Nayar

By Phil C. Weigand

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Los origenes de los caxcanes y su relacion con la guerra de los nayaritas

By Phil C. Weigand

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"Painstaking study of the origins of the Caxcanes, their possible relations with Chalchihuite culture, and their participation in the Mixtón War and later postconquest struggles. Work offers import...

Tenamaxtli y Guaxicar

By Phil C. Weigand

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Antropologia en Jalisco

By Phil C. Weigand

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Archaeology of West and Northwest Mesoamerica

By Michael S. Foster, Phil C. Weigand

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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.