Carol O Connell Books

Blind sight

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The extraordinary new Mallory novel from one of the most acclaimed crime writers in America. A blind child and a Catholic nun disappear from a city sidewalk in plain sight of onlookers. There, then...

It Happens in the Dark

By Carol O Connell

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Blind sight

By Carol O Connell

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Blind sight

By Carol O Connell

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Man Who Lied to Women

By Carol O Connell

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Crime School

By Carol O Connell, Kate Reading

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Judas Child

By Carol O Connell, Erika Leigh

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Killing Critics Kathleen Mallory Novels

By Carol O Connell

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Killing Critics Bookcassette r Edition

By Carol O Connell

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Stone Angel Bookcassette r Edition

By Carol O Connell

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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.