Jean Lorrah Books

First Channel

By Jean Lorrah, J. Lorrah, Jacqueline Lichtenberg, Jean Lorrah, Jacqueline Lichtenberg

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This is part of a series I loved in my teens that was published from the 1970s through the 1980s, and I don't believe any are in print. I find that a shame. Though I wouldn't count this a deathless...

Wulfston's Odyssey

By Jean Lorrah, Howlett, Winston A. Howlett

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The Vulcan Academy murders

By Jean Lorrah

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The IDIC Epidemic

By Jean Lorrah

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The Vulcan Academy Murders

By Jean Lorrah

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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.