Diana Spyropulos Books

Greece

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Describes the history of civilization in Greece, its blend of religion and mythology, and how modern life there has been shaped by its past.

Cornelius and the Dog Star

By Diana Spyropulos

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When a grouchy, miserly dog dies, he must learn to open his heart and become generous and loving before he is fully accepted into Dog Heaven.

Cornelius Y LA Estrella Perro Cornelius and the Dog Star

By Diana Spyropulos, Veronica D Ornellas

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Cornelius i l estel gos

By DIANA SPYROPULUS

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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.