Christiane Gunzi Books

The best book of big cats

By Christiane Gunzi

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Explore the everyday live of the mountain lion, cheetah, jaguar, tiger and their ancestors.

The best book of whales and dolphins

By Christiane Gunzi

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Mega wheels

By Christiane Gunzi

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Mega Sauvetages

By Picthall Chez Gunzi Christiane

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Engins au chantier

By Chez Picthall

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Excavatrices, scies à pierre, trancheuses, pose-tubes et autres engins de chantier défilent sur les pages de cet album solidement cartonné. Chaque double page regroupe quelques photographies dans l...

Tide Pool

By Christiane Gunzi

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Cave Life

By Chirstiane Gunzi

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Mi Primera Mirada a Los Colores Mvfla Colors My Very First Look At...

By Christiane Gunzi

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Shapes My Very First Look At...

By Christiane Gunzi

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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.