Carola Dunn Books

In 1925, the Honourable Daisy Dalrymple Fletcher, a new mother of twins, resumes her career as a journalist by undertaking an article on the Tower of London, but during her research, she stumbles u...

Black Ship

By Carola Dunn

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In 1925, the Honourable Daisy Dalrymple Fletcher, her husband, Alec Fletcher (a Scotland Yard Detective) and their new twin infant children inherit and move to a new, larger house on the outskirts...

Manna from Hades: A Cornish Mystery

By Carola Dunn

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The day after collecting donations, elderly widow Eleanor Trewynn and the vicar's wife find the dead body of a longhaired, scruffy-looking youth hidden in the stockroom of the charity shop. Then th...

Black Ship

By Carola Dunn

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The Valley of the Shadow: A Cornish Mystery

By Carola Dunn

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While out on a walk, Eleanor Trewynn, her niece Megan, and her neighbor Nick spot a young, half-drowned Indian man floating in the water. Delerious and concussed, he utters a cryptic message about...

Heirs of the body

By Carola Dunn

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"In the late 1920's in England, The Honourable Daisy Dalrymple Fletcher is recruited to help her cousin Edgar--i.e. the Lord Dalrymple. About to turn fifty, Lord Dalrymple decides it is time to fin...

Ginnie come lately

By Carola Dunn

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A Lord for Miss Larkin

By Carola Dunn

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349 pages (large print) ; 22 cm

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.