Danny Carnahan Books

Irish Songs for Guitar

By Danny Carnahan

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Scottish Songs for Guitar

By Danny Carnahan

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A jig before dying

By Danny Carnahan

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"Back home in San Francisco after a year in Dublin, engineer and Irish fiddler, Niall Sweeney is the target of a vicious bar-room assault at the hands of a near-stranger. But Sweeney's troubles rea...

Fortune turns the wheel

By Danny Carnahan

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With His Dying Breath

By Danny Carnahan

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A Victorian Christmas

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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.