Lauren Castillo Books

Christmas Is Here

By Lauren Castillo

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The troublemaker

By Lauren Castillo

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A sweet and satisfying story of a brother and sister, a troublemaker or two, and a raccoon, beautifully illustrated in a folksy vintage style. After playing a trick on his sister by stealing her t...

El Futbol Me Hace Feliz

By Lauren Castillo, Maribeth Boelts

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Happy Like Soccer

By Lauren Castillo, Maribeth Boelts

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Nana in the City

By Lauren Castillo

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Nai nai de hong pi feng

By Lauren Castillo

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A young boy is frightened by how busy and noisy the city is when he goes there to visit his Nana, but she makes him a fancy red cape that keeps him from being scared as she shows him how wonderful...

Un dia con papa

By Lauren Castillo, Kate Banks

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Un dia amb el pare

By Banks Castillo, Lauren Castillo

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La abuela en la ciudad

By Lauren Castillo

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A young boy is frightened by how busy and noisy the city is when he goes there to visit his Nana, but she makes him a fancy red cape that keeps him from being scared as she shows him how wonderful...

L avia i la ciutat

By Lauren Castillo

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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.