Arthur Conan Doyle Books

Sherlock Holmes Dracula Wuthering Heights 2e Jane Eyre

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The Speckled Band

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In this chilling tale of mystery, Sherlock Holmes and Dr. Watson investigate the death of one of Dr. Grimesby Roylott's daughters. Her twin sister, Helen, can't tell them much, but she does remembe...

Boys' Sherlock Holmes

By Arthur Conan Doyle

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Boy's Sherlock Holmes

By Arthur Conan Doyle

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The Adventures of Sherlock Holmes Adventure Classic Adventure Classics

By Arthur Conan Doyle

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Adventures Of Sherlock Holmes, The

By Arthur Conan Doyle

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Sherlock Holmes in A Study in Scarlet

By Doyle A. Conan

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The year is 1881. The city, London. A man lies dead in an empty house, not a mark upon him, and no clues—save for the word "RACHE" scrawled in blood on the wall above. Elsewhere, two men—a former a...

The Sign of the Four Sherlock Holmes Murder Dossier

By Arthur Conan Doyle, Simon Goodenough

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Cases of Sherlock Holmes

By Arthur Conan Doyle

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Sherlock Holmes the Published Apocrypha

By Arthur Conan Doyle

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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.