Melissa Lagonegro Books

Nemo the clownfish is worried that he's not a strong enough swimmer to compete on his school's swim team. But when his friend Dory encourages him to just keep swimming, Nemo realizes that he can do...

Ariel s Secret Disney Princess Secrets

By RH Disney, Melissa Lagonegro

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Ariel keeps secret the fact that she saved Prince Eric from drowning.

A dream for a princess

By Melissa Lagonegro

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Simplified retelling of the tale of Cinderella, a kitchen maid mistreated by her stepmother and stepsisters who, with the help of her fairy godmother, attends the palace ball and meets the prince o...

Grow, seeds, grow!

By Melissa Lagonegro

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When Pooh and Piglet plant a garden, they learn from Rabbit what it takes to make it grow. Focuses on twelve specific words.

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.