Tomi Ungerer Books

Tomi Ungerer

By Tomi Ungerer, Philipp Keel

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Otto: Autobiografia De Un Osito De Peluche the Autobiography of a Teddy Bear

By Tomi Ungerer

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Otto es un osito de peluche hecho en Alemania. Es obsequiado a David por su cumpleanos, y con el y su amigo Oskar viven diversas aventuras. Cuando a David se lo llevan a un campo de concentracion,...

Crictor

By Tomi Ungerer

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The boa constrictor is a very helpful pet especially when there are burglars in the neighborhood. An agreeable pet boa constrictor earns the affection and gratitude of a French village. "Un día,...

Los Tres Bandidos the Three Robbers

By Tomi Ungerer

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Allumette

By Tomi Ungerer, Sandra Senra Gomez, Oscar Senra Gomez

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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.