Ruth Ryan Langan Books

#1 New York Times bestselling author J. D. Robb presents four stories of paranormal desire and suspense—featuring a Lieutenant Eve Dallas novella.In J. D. Robb's "Ritual in Death," Eve Dallas plun...

Once Upon a Castle

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#1 New York Times bestselling author Nora Roberts presents four enchanting tales of castles, spells, and happily-ever-afters...In Nora Roberts's "Spellbound," a bewitchingly beautiful lady casts a...

Once upon a Dream

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#1 New York Times bestselling author Nora Roberts presents four romantic stories of impossible dreams come true... In Nora Roberts’s “In Dreams,” a beautiful young woman is drawn to a castle in th...

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.