Alberto Villoldo Books

Alberto Villoldo, a classically trained medical anthropologist, has studied shamanic healing techniques among the descendants of the ancient Inkas for more than twenty years. In Shaman, Healer, Sag...

Skeleton woman

By Alberto Villoldo

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Years after being drowned by a tsunami, Annuk is rescued from her watery grave by the tenderness of a lonely fisherman.

The first story ever told

By Erik Jendresen

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An explorer goes in search of the Inca's legendary lost city of gold, but discovers instead a more spiritual treasure.

Millennium Glimpses into the 21st Century

By Ken Dychtwald

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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.