Isabel Mendoza Books

Celebrate the holidays with Llama Llama and all his friends in this beautifully illustrated bilingual 8 x 8 storybook, based on the hit animated Netflix series! ¡Celebra las fiestas de f...

Judy Moody adivina el futuro Judy Moody Predicts the Future

By Megan McDonald, Elena De Santiago, Isabel Mendoza

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Judy Moody salva el planeta Judy Moody Saves the World

By Megan McDonald, Elena De Santiago, Isabel Mendoza

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Doctora Judy Moody judy Moody M.d. the Doctor Is in Judy Moody

By Megan McDonald, Isabel Mendoza

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Judy is excited about becoming a doctor, especially when Class 3T starts a new unit on the human body, but she learns more about being a patient when she catches tonsillitis from her little brother...

Axel la Camioneta una Carrera en la Playa Axel the Truck

By Brandon Dorman, Isabel Mendoza, J. D. Riley

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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.