Davide Cali Books

George and his shadow

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One morning, when George walks into his kitchen, he finds someone sitting at his table. Who are you? he asks. I m your shadow, answers the shadow. The shadow follows George for a walk on the st...

I Didn t Do My Homework Because...

By Davide Cali

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I love chocolate

By Davide Cali

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A child describes the taste, smell, and color of the world's most beloved treat.

The truth about my unbelievable summer ...

By Davide Cali

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What really happened over the summer break? A curious teacher wants to know. The epic explanation? What started out as a day at the beach turned into a globe-spanning treasure hunt with high-flying...

When an elephant falls in love

By Davide Cali

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When an elephant falls in love, he does many foolish things. He hides when the elephant of his affection is around. He writes letters that he will never send. And he leaves flowers at her door, onl...

I hate my cats

By Davide Cali

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Ginger is the weird one. She plays with peas, purrs at artichokes, and has a strange fondness for chicken (but only the neighbor's chicken). Then there's Fred. His greatest talent? Sleeping. Oh, an...

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.