Mary Nichols Books

The Last Gamble

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Miss Helen Sanghurst had had too many shocks, discovering after her father's suicide that he had gambled away her inheritance. It was some relief to find she had a guardian, even if it meant travel...

The Ruby Pendant Historical Romance

By Mary Nichols

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Dear Deceiver

By Mary Nichols

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Mistress of Madderlea

By Mary Nichols

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Jack Chiltern's Wife

By Mary Nichols

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The Reluctant Escort

By Mary Nichols

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The Regency Collection, Vol. 12

By Megan Alexander, Mary Nichols

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The Westmere Legacy

By Mary Nichols

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The Incomparable Countess

By Mary Nichols

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A Lady of Consequence

By Mary Nichols

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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.