Patrick O Brian Books

The Mauritius Command: Complete & Unabridged

By Patrick O Brian

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The Fortune of War: Library Edition

By Patrick O Brian

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Treason's Harbour: Library Edition

By Patrick O Brian

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The Thirteen Gun Salute

By Patrick O Brian

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The 13th installment in the Aubrey/Maturin series.Captain Jack Aubrey sets sail for the South China Sea with a new lease on life. Following his dismissal from the Royal Navy (on a false accusation...

The Wine-Dark Sea

By Patrick O Brian

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In their 16th outing, Jack Aubrey and Stephen Maturin pursue a prize into the Great Southern Ocean.The story takes Maturin to South America. Caught up in a failed coup, he flees across the Andes. A...

The Nutmeg of Consolation

By Patrick O Brian

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We join Jack Aubrey and Stephen Maturin, captain in the Royal Navy and surgeon/intelligence agent respectively, where we left them at the end of The Thirteen Gun Salute: shipwrecked on a remote Dut...

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.