Diana Norman Books

Terrible Beauty: Life of Constance Markievicz, 1868-1927

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A captivating historical novel from the national bestselling author, as Ariana Franklin, of Mistress of the Art of Death. Makepeace Burke serves Patriots at her late father's tavern on the Boston w...

Taking Liberties

By Diana Norman

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From the author also known as Ariana Franklin-the thrilling sequel to A Catch of Consequence that "moves at a cracking pace."( London Times) Makepeace Hedley is frantic when she learns that her you...

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.