David Ruffle Books

Holmes Away From Home Adventures From the Great Hiatus Volume I

By Katie Magnusson, John Linwood Grant, Sonia Fetherston, Mark Alberstat, Derrick Belanger, Deanna Baran, David Marcum, Arthur Conan Doyle, Stephen Seitz, David Ruffle

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Sherlock Holmes

By David Ruffle

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A diverse collection of works from various writers, many of whom are unpublished until now. There are laughs, tears and numerous flights of fancy. In short; quirky and fun.

Sherlock Holmes

By David Ruffle

Average: 0.00, 0 Ratings

A diverse collection of works from various writers, many of whom are unpublished until now. There are laughs, tears and numerous flights of fancy. In short; quirky and fun.

Sherlock Holmes

By David Ruffle

Average: 0.00, 0 Ratings

A diverse collection of works from various writers, many of whom are unpublished until now. There are laughs, tears and numerous flights of fancy. In short; quirky and fun.

Sherlock Holmes

By David Ruffle

Average: 0.00, 0 Ratings

A diverse collection of works from various writers, many of whom are unpublished until now. There are laughs, tears and numerous flights of fancy. In short; quirky and fun.

Holmes and Watson An American Adventure

By David Ruffle

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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.