Joanna Shupe Books

Magnate

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1887. New York City's Gilded Age shimmers with unimaginable wealth and glittering power. The men of the Knickerbocker Club know this more than anyone else. But for one millionaire, the business of...

Mogul

By Joanna Shupe

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Calvin Cabot, the powerful owner of a well-respected national newspaper, agrees to help Lillian Davies, a desperate heiress from his past, find her vanished brother.

Disguising herself as a courtesan to get the attention of her husband, who she has not seen in eight years, the Duchess of Colton arrives in 1816 Venice in where she sets her plan of seduction in m...

The harlot countess

By Joanna Shupe

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Lady Maggie Hawkins, a political cartoonist who draws under a male pseudonym, makes the man who betrayed her, Simon Barrett, Earl of Winchester who is a rising star in Parliament, the laughingstock...

The lady hellion

By Joanna Shupe

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Lady Sophia Barnes is on a mission to protect the employees of Madame Hartley's brothel, something much easier done dressed as a man. But she needs the help of Damien Beecham, a man who broke her h...

The Harlot Countess

By Joanna Shupe, Carmen Rose

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The Lady Hellion

By Joanna Shupe, Carmen Rose

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A Notorious Vow The Four Hundred Series

By Joanna Shupe

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The Rogue of Fifth Avenue

By Joanna Shupe

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L imposteur des beaux quartiers

By Joanna Shupe, Agnes Girard

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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.