Paul D. Gilbert Books

The Lost Files of Sherlock Holmes

By Paul D. Gilbert

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The chronicles of Sherlock Holmes

By Paul D. Gilbert

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Having delved into his famous metal box, Dr. John Watson now turns his attention to those unchronicled cases that were previously only alluded to.

Sherlock Holmes and the giant rat of Sumatra

By Paul D. Gilbert

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Sherlock Holmes and the unholy trinity

By Paul D. Gilbert

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A colourfully-dressed Bedouin, brandishing a sword, interrupts the breakfast of Sherlock Holmes and Dr Watson with a cryptic message of warning: stay away from the affairs of his people, or risk fa...

The Annals Of Sherlock Holmes

By Paul D. Gilbert

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SHERLOCK HOLMES AND THE GIANT RAT OF SUMATRA

By Paul D. Gilbert

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Chronicles of Sherlock Holmes

By Paul D. Gilbert

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Chronicles of Sherlock Holmes

By Paul D. Gilbert

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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.