David Poyer Books

Hunter Killer The War with China

By David Poyer

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Deep war

By David Poyer

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"The war against China turns dire, as the United States struggles to survive in this gripping thriller featuring Navy commander Dan Lenson"--

"Captain Dan Lenson is under fire both at sea, and in Washington. His command of the first antiballistic-missile-capable cruiser in the Fleet, USS Savo Island, is threatened when he's called home t...

Onslaught

By David Poyer

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"The latest in David Poyer's acclaimed novels about the modern Navy and Marine Corps, Onslaught chronicles Dan Lenson's latest challenge as the U.S. Navy struggles to hold Taiwan, Korea, and Japan...

Bahamas Blue

By David Poyer

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The return of Philo T. McGiffin

By David Poyer

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As the wolf loves winter

By David Poyer

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B.O.O.B.S

By Ann Kempner Fisher

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Tipping Point

By David Poyer Poyer David

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Arctic Sea

By David Poyer

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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.