John Spencer Books

Global Positioning System

By Philip H. Page, John B. Vogler, Brian G. Frizzelle

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Global Positioning System

By John Spencer, Philip Page, John Vogler, Brian Frizzelle

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"The book takes readers step-by-step through all the key stages of a GPS fieldwork project, covering planning, implementation, and data integration. For each phase, the authors supply clear and con...

Senachwine crossing

By Spencer John Author

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The Surge Omnibus

By John Spencer

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Medicine Heart

By John Spencer

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Icequake

By Spencer John R.

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The Encyclopedia of the World s Greatest Unsolved Mysteries

By John Spencer

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Alien Contact

By John Spencer

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Powers of the Mind

By John Spencer

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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.