Ignacio Bizarro Ujpan Books

Son of Tecun Uman

By Ignacio Bizarro Ujpan

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Joseno

By Ignacio Bizarro Ujpan

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"Joseno: Another Mayan Voice Speaks from Guatemala covers the period from 1987-98 and is the fourth and latest volume of Bizarro's diary, the authentic life history of a common man, a campesino, a...

Joseno

By James D. Sexton, Ignacio Bizarro Ujpan

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Heart of Heaven Heart of Earth and Other Mayan Folktales

By Ignacio Bizarro Ujpan, James D. Sexton

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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.