Maria Wernicke Books

Some Days

By Lawrence Schimel, Maria Wernicke

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Sol de los Amigos

By Maria Wernicke Maria Baranda

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The Pied Piper of Hamelin

By Maria Wernicke

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A retelling of the story of the Pied Piper of Hamelin, in which a pied piper rids the city of Hamelin of rats.

La Palabra Desnuda

By Maria Wernicke

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Donde esta

By Maria Wernicke, Maria Cristina Ramos

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La amenazante presencia del lobo hace que las criaturas del bosque se oculten y que las piedras se estremezcan. En su andar, el lobo procura que nadie lo vea para poder hacer la tarea, pues él va a...

El poeta y el mar

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Cuando Estamos Juntas

By Maria Wernicke

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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.