Sir Arthur Conan Doyle Books

The Great Adventures of Sherlock Holmes

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Eight stories of adventure and detection for the world's most famous sleuth. From the strange case of The red-Headed League to the extraordinary tale of The Engineer's Thumb, Sherlock Holmes and h...

The Lost World: Being an Account of the Recent Amazing Adventures of Professor E. Challenge

By Arthur Conan Doyle

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The Mysterious Adventures of Sherlock Holmes: The Greek Interpreter The'gloria Scott ' The Resident Patient The Boscomb

By Arthur Conan Doyle

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The Adventures of Sherlock Holmes and The Memoirs of Sherlock Holmes

By Arthur Conan Doyle

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A collection of the most famous cases faced by Sir Arthur Conan Doyle's peerless creationThis collection of The Adventures of Sherlock Holmes and the Memoirs of Sherlock Holmes includes many of the...

The Sign of Four

By Doyle A. Conan

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As a dense yellow fog swirls through the streets of London, a deep melancholy has descended on Sherlock Holmes, who sits in a cocaine-induced haze at 221B Baker Street. His mood is only lifted by a...

The Adventures of Sherlock Holmes

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Penguin Readers Level 3: Sherlock Holmes and the Mystery of Boscombe Pool

By J. Y. K. Kerr

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The Sign of Four

By Arthur Conan Doyle

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The Adventures of Sherlock Holmes: Volume 1: v. 1

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The Adventures of Sherlock Holmes: Volume Two: v. 2

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.