Rocio Bonilla Books

The Earth

By Nuria Roca, Rocio Bonilla, Carol Isern

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"One night, Alice and Oliver are surprised to find that the Moon has an odd reddish color instead of its normal bright shine. What they are seeing is a lunar eclipse. In this engaging book, they'll...

The sky

By Nuria Roca

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The sun

By Nuria Roca

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"Alice and Oliver know that the Sun is very important. The Sun gives us light and life and without it, none of what they can see through their window would exist. In this engaging book, the childre...

The Highest Mountain of Books in the World

By Rocio Bonilla

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How Do Animals Use their Five Senses Curious Young Minds

By Algarra Alejandro Bonilla Rocio

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Why are Animals Different Colors

By Rocio Bonilla, Alejandro Algarra

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Where Do Animals Live

By Rocio Bonilla, Alejandro Algarra

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The sky

By Nuria Roca

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El Poni de la Princesa Suque

By Rocio Bonilla, Aleix Cabrera

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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.