Glen Larson Books

Galactica Discovers Earth

By Mike Resnick, Glen A. Larson, Glen Larson, Larson, Glen A, Resnick, Michael

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The newest BATTLESTAR GALACTICA adventure GALACTICA DISCOVERS EARTH Galactica was trapped! A Cylon warfleet was lurking just a lightjump away. And Earthhopelessly primitive!was completely unawa...

Hearts Of Stone

By Roger Hill, Glen A. Larson, Glen Larson

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Knight Rider #2: Trust Doesn'T Rust

By Glen A. Larson, Roger Hill, Glen Larson, Glen A. Larson, Roger Hill

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Vintage TV tie-in paperback

The Cylon Death Machine

By Glen A. Larson, Robert Thurston, Glen Larson

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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.