Piotr Wilkon Books

The Brave little kittens

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Three little kittens go outdoors for the first time and enjoy scaring away all the animals they meet until a fierce dog appears.

Noah's Ark

By Piotr Wilkon

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Retells the Old Testament story of how Noah and his family built the ark and saved the animals from the Great Flood.

Noah s Ark

By North South Staff

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Escape from the Zoo

By North South Staff

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Quatre chatons au pelage noir profond, dense, éblouissant; une petite chatte au pelage entièrement roux. Tous d'une même portée, cette dernière Scarlett est sujet de déception pour ses parents, Mon...

Une simple histoire d amour

By Jozef Wilkon, Piotr Wilkon

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Chat comme chat

By Wilkon Josef

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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.