Martha Sastrias Books

Yacare cocuyo y yegua

By Martha Sastrias

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El pinguino y la ciguena

By Martha Sastrias

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Lecto juego acertijos Para Motivar A Los Ninos A Leer El Mundo Natural Read Play Riddle Motivating Kids To Read

By Martha Sastrias

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Melodia de la Naturaleza

By Martha Sastrias

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Naranjas y limones

By Martha Sastrias

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En las fiestas de La Piedad tienen la costumbre de soltar globos en honor a su patrona. Sin embargo, este año Carlos y Toño quieren gastar una broma a sus vecinos escondiéndolos el día antes; pero...

La Rana Pascuala pascuala the Frog

By Martha Sastrias

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Periquito verde esmeralda

By Martha Sastrias

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Queta la vaca coqueta

By Martha Sastrias

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El Sapo Que No Queria Comer

By Martha Sastrias

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Hojas De Limon Leaves Of lemon

By Martha Sastrias

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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.