Tomi Ungerer Books

The hat

By Tomi Ungerer

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A handsome black top hat changes penniless Benito Badoglio's life.

Allumette

By Tomi Ungerer

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Granted her wishes for all the good things she never had, an impoverished orphan is so deluged with commodities that she opens a headquarters for distributing them to the world's poor.

Ningun Beso Para Mama No Kiss for Mom

By Tomi Ungerer

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Hombre De LA Luna Man in the Moon

By Tomi Ungerer

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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.