Robert C. S. Downs Books

"Within hours of visiting his aging parents in Fort Lauderdale, sixty-year old Teddy Neel realizes his parents are in a lot worse shape than he imagined. His father, Able, a corporate man who had m...

The Fifth Season

By Robert C. S. Downs

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Going Gently

By Robert C. S. Downs

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Two men, one a salesman, the other a professor, share a hospital room. They share, too, the knowledge that both of them are dying of cancer. This is a story about death, and at the same time it is...

Dream Shot

By Robert C. S. Downs

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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.