Jerzy Drozd Books

Science Comics Rockets

By Jerzy Drozd, Anne Drozd

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Rockets

By Anne Drozd

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Blast off! Discover the history of rockets and their impact on the future.

Degradacja gleb w niszczonych ekosystemach Karkonoszy i mozliwosci jej zapobiegania

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Rockets

By Jerzy Drozd, Anne Drozd

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Warren Commission Report

By Richard Reeves, Dan Mishkin, Ernie On, Jerzy Drozd

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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.