Adriana Von Hagen Books

The Incas

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This survey provides an account of the Incas: their politics, economics, religion, architecture, art, and technology. The authors look in detail at the capital Cusco and at the four parts of the em...

Cities of the Ancient Andes

By Craig Morris, Adriana Von Hagen

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The Largest Empire of pre-Columbian America was toppled in under a decade by Spanish invaders who looted the fabled riches of its greatest city, Cuzco, and severed its 15,000-mile system of roads....

The Incas Ancient Peoples and Places

By Craig Morris, Adriana Von Hagen

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Encyclopedia of the Incas

By Gary Urton, Adriana Von Hagen

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Secrets of Lost Empires

By Mark Lehner, Cynthia Page, Robin Brightwell, Adriana Von Hagen

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The Inka Empire and its Andean origins

By Craig Morris

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Encyclopedia of the Incas

By Adriana Von Hagen, Gary Urton

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Los chachapoya y la Laguna de los Condores

By Adriana Von Hagen

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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.