David Derrick Books

Navigation for offshore and ocean sailors

By David Derrick

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Boat maintenance

By David Derrick

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Identifying Knots Identifying Guide

By David Derrick

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Sid the squid and the search for the perfect job

By David G. Derrick, David Derrick

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With the help of his friend Alice, Sid the giant squid tries many jobs including firefighter, cook, and window washer, in the search for the perfect one.

Cocteau

By David Derrick

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Concise Yachtmaster Guide

By David Derrick

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Otto Dix

By Parkstone Parkstone Press

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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.