Melissa Lagonegro Books

Don t Forget to Flush Sound Book

By Golden Books

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The Magical Paintbrush Paint Box Book

By Golden Books

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A mother's love

By Melissa Lagonegro

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"Merida is a princess. Her mother is the queen. Can their love save the kingdom?"--P. [4] of cover. "Pixar Animation Studio's 13th animated feature film, Disney/Pixar Brave, is an epic adventure s...

Cinderella

By Melissa Lagonegro

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Retells the classic fairy tale about a mistreated girl who, with the help of her fairy godmother, attends the palace ball and dances with the prince.

A tale of two sisters

By Melissa Lagonegro

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When a prophecy traps a kingdom in eternal winter, Princess Anna teams up with Kristoff and his reindeer to embark on a journey to find Anna's sister, the Snow Queen Elsa, to put an end to her icy...

Happy Halloween!

By Melissa Lagonegro, Golden Books

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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.