Michael Koryta Books

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CRIME & MYSTERY. Still mourning the death of his wife, private investigator Mark Novak accepts a case that may be his undoing. On same day his wife died, the body of a teenage girl was pulled from...

The Ridge

By Michael Koryta

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On an isolated ridge in the Kentucky woods stands a homemade lighthouse, hundreds of miles from any substantial body of water. When local reporter Roy Darmus enters the bizarre structure, he finds...

The Ridge

By Michael Koryta

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On an isolated ridge in the Kentucky woods stands a homemade lighthouse, hundreds of miles from any substantial body of water. When local reporter Roy Darmus enters the bizarre structure, he finds...

Ridge

By Michael Koryta

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Tonight I Said Goodbye

By Michael Koryta

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Envy the Night

By Michael Koryta

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Envy the Night

By Michael Koryta

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So Cold the River

By Michael Koryta

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Cypress House

By Michael Koryta

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Those Who Wish Me Dead

By Michael Koryta

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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.