Fulvio Testa Books

The paper airplane

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A child imagines his paper airplane flying with the birds over the ocean and over Africa. Includes instructions for making a paper airplane.

A long trip to Z

By Fulvio Testa

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An airplane takes off from a child's book, passing an alphabet of sights on its adventurous journey before returning right at bedtime.

The land where the ice cream grows

By Fulvio Testa

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Visiting the land where ice cream grows may be interesting and delicious, but there is also an element of danger.

The land where the ice cream grows

By Fulvio Testa

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Visiting the land where ice cream grows may be interesting and delicious, but there is also an element of danger.

A Long Trip to Teatime

By Anthony Burgess, Fulvio Testa

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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.