Melissa Lagonegro Books

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...

Travel like a princess

By Melissa Lagonegro

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Ariel, Merida, Sleeping Beauty, and all the Disney princesses embark on royal journeys in this Step 2 reader. Girls ages 4 to 6 will love reading about the princesses' travels on vacations and trip...

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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.

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