Annie Haynes Books

Lady Judith Carew acted furtively on the night of the Denboroughs party. Her secret assignation at 9:30 pm was a meeting to which she took a loaded revolver. The Abbey Court apartment building woul...

The Bungalow Mystery

By Annie Haynes

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The Witness on the Roof

By Annie Haynes

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The Master of the Priory

By Annie Haynes

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ASESINATO EN CHARLTON CRESCENT

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Witness on the Roof

By Annie Haynes

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Abbey Court Murder

By Annie Haynes

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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.