Cat Sebastian Books

The soldier's scoundrel

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A scoundrel who lives in the shadows. Jack Turner grew up in the darkness of London's slums, born into a life of crime and willing to do anything to keep his belly full and his siblings safe. Now h...

The Lawrence Browne affair

By Cat Sebastian

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"An earl hiding from his future . . . Lawrence Browne, the Earl of Radnor, is mad. At least, that's what he and most of the village believes. A brilliant scientist, he hides himself away in his fam...

The ruin of a rake

By Cat Sebastian

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Rogue. Libertine. Rake. Lord Courtenay has been called many things and has never much cared. But after the publication of a salacious novel supposedly based on his exploits, he finds himself shunne...

It takes two to tumble

By Cat Sebastian

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Two Rogues Make a Right

By Cat Sebastian

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Unmasked by the marquess ba regency imposters novel

By Cat Sebastian

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"Robert Selby is determined to see his sister make an advantageous match. But he has two problems: the Selbys have no connections or money and Robert is really a housemaid named Charity Church. She...

A Delicate Deception

By Cat Sebastian

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A Little Light Mischief

By Cat Sebastian

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The Queer Principles of Kit Webb

By Cat Sebastian

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The Perfect Crimes of Marian Hayes

By Cat Sebastian

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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.