Roberta Angeletti Books

Vulca the Etruscan

By Roberta Angeletti

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Nefertari: Princess of Egypt

By Roberta Angeletti

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While visiting Egypt with her parents, Anna follows a cat into a tomb and meets Nefertari who gives her a tour and explains about ancient Egyptian gods and customs.

The Minotaur of Knossos

By Roberta Angeletti

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Tired out after working on a report about ancient Crete, Robbie falls asleep and finds himself in the palace of King Minos, where he encounters the hideous bull-headed monster known as the Minotaur.

The cave painter of Lascaux

By Roberta Angeletti

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On a school field trip to the famous Lascaux Cave in southern France, a young girl encounters a primitive man who had created the remarkable paintings on the cave's walls. Includes a section with i...

A Journey Through Time Mixed Set

By Roberta Angeletti

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Nefertari

By Roberta Angeletti

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Vulca the Etruscan

By Roberta Angeletti

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The Minotaur of Knossos Journey Through Time

By Roberta Angeletti

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The cave painter of Lascaux

By Roberta Angeletti

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Justine attend la petite souris

By Laurent Sabathie, Roberta Angeletti

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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.