Maja Kastelic Books

Anthony and the Gargoyle

By Jo Ellen Bogart, Maja Kastelic

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Anthony and the Gargoyle

By Jo Ellen Bogart, Maja Kastelic

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Boy and a House

By Maja Kastelic

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A boy and a house

By Maja Kastelic

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When a little boy sees a cat slip into the open door of an apartment building, the temptation is too great: he follows the cat into the lobby. Another open door awaits. Again, the boy follows the c...

Gizemli Evde Bir Cocuk

By Maja Kastelic

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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.