Emmeline Duncan Books

Fresh Brewed Murder

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With its entrepreneurial, 20-something protagonist, focus on a hipster-run food truck pod in Portland, Oregon, and real-world issues involving homelessness and gentrification, Fresh Brewed Murder i...

Double Shot Death

By Emmeline Duncan

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Flat White Fatality

By Emmeline Duncan

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With its hipster-run Portland food truck pod and focus on real-world social issues like homelessness, gentrification, school affordability, and bicycle commuting, this third Ground Rules Mystery is...

Death Unfiltered

By Emmeline Duncan

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As the owner of Portland, Oregon’s popular Ground Rules coffee cart, hard-working young master barista Sage Caplin is excited to expand her business with a brick-and mortar store. But not eve...

Chaos at the Lazy Bones Bookshop

By Emmeline Duncan

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The first in a new Pacific Northwest-set mystery series inspired by the real "Halloweentown!" Bailey Briggs adores her year-round Halloween-themed town of Elyan Hollow, Oregon. But when she takes o...

Fatal Brouhaha

By Emmeline Duncan

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Twentysomething master barista and owner of Portland, Oregon’s popular Ground Rules coffee cart, Sage Caplin is ready to celebrate her growing business at a weekend long maker’s festiva...

Mayhem at a Halloween Wedding

By Emmeline Duncan

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It’s Halloween year-round in Elyan Hollow, Oregon, where Bailey Briggs sells the latest tomes of frights and fears at the bustling Lazy Bones Books—when she’s not uncovering deadl...

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.