M.L. Longworth Books

Death in the Vines

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When theft escalates to murder at a French vineyard, a crime wave sweeps over the tranquil town of Aix-en-ProvenceProvençal Mystery Series #3Watch the series! Murder in Provence is now on Britbox.W...

Murder on the Ile Sordou

By M. L. Longworth

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In this decadent installment, Verlaque and Bonnet find themselves hunting a murderer on a remote island in the glittering Mediterranean SeaProvençal Mystery Series #4Watch the series! Murder in Pro...

Murder in the Rue Dumas

By M.L. Longworth

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Murder on the Ile Sordou

By M.L. Longworth

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The Curse of La Fontaine

By M.L. Longworth

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Murder on the Ile Sordou

By M. L. Longworth

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Death at the Chateau Bremont

By M. L. Longworth

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Murder in the Rue Dumas

By M. L. Longworth

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When Dr. Georges Moutte is found murdered, Judge Antoine Verlaque is stumped. Moutte, the director of theology at the Université d' Aix, was just about to name the recipient of an elite fellowship...

A Noel Killing

By M.L. Longworth, Christa Lewis

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Death at the Chateau Bremont

By M.L. Longworth, Christa Lewis

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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.