Addy Rivera Sonda Books

Bobby and the Big Valentine

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In this charming debut picture book, a young boy makes the biggest, most sparkly valentine that he can for his crush. But how will his grand gesture be received?Fall in love with Bobby and Eddie in...

Feliz New Year Ava Gabriela

By Alexandra Alessandri, Addy Rivera Sonda

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You Be Grandma

By Karla Clark, Addy Rivera Sonda

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Heart of Gold Cutiecorns 1

By Shannon Penney, Addy Rivera Sonda

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Purrfect Pranksters Cutiecorns 2

By Shannon Penney, Addy Rivera Sonda

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Heart of Gold Cutiecorns 1

By Shannon Penney, Addy Rivera Sonda

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Purrfect Pranksters Cutiecorns 2

By Shannon Penney, Addy Rivera Sonda

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Rainy Day Rescue

By Shannon Penney, Addy Rivera Sonda

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Carnival Chaos

By Shannon Penney, Addy Rivera Sonda

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Back to Nature

By Rachele Alpine, Addy Rivera Sonda

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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.