Mack Van Gageldonk Books

Goodbye Grandpa

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Bear and Grandpa are going fishing today. But why is Grandpa sleeping in the grass? What is going on? "Grandpa is dead," Elephant says softly to his friend Bear. Bear starts to cry. Will he ever se...

My Little Wonder. Welcome Sweet Baby

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Tu comida favorita

By Mack Van Gageldonk

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100 petons de bona nit

By Gustau Raluy I Bruguera, Mack Van Gageldonk

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100 esmorzars de bon mati

By Nuria Font I Ferre, Mack Van Gageldonk

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Benvinguts petitons

By Nuria Font I Ferre, Mack Van Gageldonk

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100 besos antes de ir a dormir

By Mack

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Hartzak ez du lo egin nahi

By Bakun Itzulpen Zerbitzuak, Mack Van Gageldonk, Jelleke Rijken

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Wow Apes. How Much We Look Alike

By Mack Van Gageldonk

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Billy Fills His Belly

By Mack Van Gageldonk

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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.