Jane Finnis Books

Get Out or Die Aurelia Marcella Mysteries

By Jane Finnis

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Bitter Chill A Aurelia Marcella Mysteries

By Jane Finnis

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Roman Britain in 91 AD is a troublesome part of the mighty Empire ruled by Domitian Caesar. Tension is especially high in the north, where Aurelia Marcella, a young innkeeper from Italy, runs the O...

Shadows in the night

By Jane Finnis

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Roman Britain, 91 AD. Aurelia Marcella, a young innkeeper from Italy, and her fellow Romans living in York find themselves under attack from a secret native war-band, whose aim is to expel their co...

Shadows in the night

By Jane Finnis

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Shadows in the night

By Jane Finnis

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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.