Wanda Pratnicka Books

Possessed by Ghosts

By Wanda Pratnicka

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Possessed by Ghosts

By Wanda Pratnicka

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Opetani przez duchy Egzorcyzmy w XXI Stuleciu Polish Edition

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Poseidos por los espiritus

By Wanda Pratnicka

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The book is aimed at all readers, not just those who are interested in the esoteric arts. It presents, in an accessible and surprisingly clear way, the causes of the toxic associations that arise b...

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.