Lulu Delacre Books

Peter Cottontail's Easter egg hunt

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While delivering his eggs on Easter morning, Peter Cottontail loses the most important egg. Includes a new Easter version of "Itiskit, Itaskit," music, a description of Easter and spring symbols, a...

Las Navidades

By Lulu Delacre

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Nathan's balloon adventure

By Lulu Delacre

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Not a very welcome passenger, Nathan the elephant saves the day and makes a friend when the hot air balloon carrying him and two mice runs out of fuel.

Nathan s Balloon Adventure

By Lulu Delacre

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Time for School Nathan

By Lulu Delacre

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Vejigante masquerader

By Lulu Delacre

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Against all odds, a resourceful Puerto Rican boy manages to get a costume together for Carnival.

Vejigante Masquerader

By Lulu Delacre

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Against all odds, a resourceful Puerto Rican boy manages to get a costume together for Carnival A pesar de muchos obstáculos, un niño puertorriqueño consigue un disfraz para el carnaval

Nathan s Fishing Trip

By Lulu Delacre

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Golden Tales: Myths and Legends from Latin America

By Lulu Delacre

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Golden Tales

By Lulu Delacre

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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.