Ian Probert Books

Internet spy

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Relates a 1989 incident of German computer hackers being paid by the KGB to break into top secret computer files in the United States.

Surreal Digital Photography One Off

By Ian Probert, Barry Huggins

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Perfect Digital Photos in a Snap

By Peter Cope, Ian Probert

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Surreal Digital Photography

By Ian Probert, Barry Huggins

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Lie sha KGB.

By Ian Probert

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Thriller novel.

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.