Gideon Defoe Books

The Pirates! In an Adventure with Scientists

By Gideon Defoe

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The Pirates! In An Adventure With Napoleon

By Gideon Defoe

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How Animals Have Sex

By David Strorm, Gideon Defoe

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The Pirates! In an Adventure with Communists

By Gideon Defoe

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London, 1840: Wagner's latest opera plays to packed houses while disgruntled workers gather in crowded pubs to eat ice cream and plan the downfall of the bourgeoisie. Meanwhile, the Pirate Captain...

The Pirates! In an Adventure with Napoleon

By Gideon Defoe

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After adventures with Charles Darwin, Captain Ahab, and Karl Marx, The Pirate Captain faces off against his toughest—though not his biggest—challenge yet: Napoleon Bonaparte. Bruised from a crushin...

The Pirates! In an Adventure with Scientists: A Novel

By Gideon Defoe

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The Pirates In an Adventure with Ahab

By Gideon Defoe

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The Pirates In an Adventure with Communists

By Gideon Defoe

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Atlas der ausgestorbenen Lander

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The Pirates

By Gideon Defoe

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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.