Walter Olesky Books

One Way Trip

By Walter Olesky

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Experiments with heat

By Walter G. Oleksy

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Scientific explanations and experiments demonstrate the nature of heat, its sources, and how it travels and affects matter.

The video revolution

By Walter G. Oleksy

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Examines the history, formats, features, and uses of video tape recorders and discusses aspects such as music videos, video discs, piracy, and possible future developments.

The Philippines

By Walter Olesky, Walter G. Oleksy

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Describes the geography, plants, animals, history, economy, language, religions, culture, sports, arts, and people of the Philippines.

Experiments With Heat

By Walter Olesky

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If I m lost how come I found you

By Walter Olesky

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Mapping the Seas

By Walter Olesky

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Mapping the Skies

By Walter Olesky

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Mapping the World

By Walter Olesky

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Maps in History

By Walter Olesky

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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.