Patrice Aggs Books

"On the farm, some very strange noises are keeping the farmer awake. The ducks are having fun singing and banging 'instruments'-- what a racket! But their noise is keeping someone else awake too, w...

Dos Tres

By Patrice Aggs, Yanitzia Canetti

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Yi Er San

By Jie Mu, Patrice Aggs

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The visitor

By Patrice Aggs

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Two young cats, whose dinner guest is a giraffe, are not sure they want to meet this unusual stranger, but they change their minds after getting to know him.

The visitor

By Patrice Aggs

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Two young cats, whose dinner guest is a giraffe, are not sure they want to meet this unusual stranger, but they change their minds after getting to know him.

Uno dos tres

By Patrice Aggs, Yanitzia Canetti

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A collection of rhymes, poems, and songs from all over the Spanish-speaking world.

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.