KOLATA ALAN L Books

Valley of the Spirits: A Journey Into the Lost Realm of the Aymara

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In a secluded valley high in the Andes Mountains, long before the time of the Incas and the Aztecs, the empire of the Aymara rose from the shores of Lake Titicaca and flourished for nearly a thousa...

TIWANAKU ITS HINTERLAND V1

By KOLATA ALAN L

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EL PODER DE LOS INCAS. LA ORGANIZACION SOCIAL, ECONOMICA, RELIGIOSA Y POLITICA DE UN IMPERIO

By KOLATA ALAN L

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Llegaremos a comprender a los incas y su imperio en términos de interacciones continuas entre los agentes sociales individuales y colectivos que persiguen sus propios intereses y las estructuras so...

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.