Mary Lydon Simonsen Books

Captain Wentworth Home From the Sea

By Mary Lydon Simonsen

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Becoming Elizabeth Darcy

By Mary Lydon Simonsen

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A Killing in Kensington

By Mary Lydon Simonsen

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Mr. Darcy bites back

By Mary Lydon Simonsen

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"Something or someone is lurking in the woods of Pemberley. As Mr. and Mrs. Darcy approach the first anniversary of their marriage, they look upon their life together as very much an idyll. With on...

For All the Wrong Reasons

By Mary Lydon Simonsen

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When They Fall in Love

By Mary Simonsen

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Darcy Goes to War

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A Walk In The Meadows Of Rosings Park

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Darcy on the Hudson

By Mary Simonsen

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Pemberley Remembered

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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.