John Gilstrap Books

White Smoke

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THE STAND meets William R. Forstchen’s ONE SECOND AFTER in New York Times and USA Today bestselling author John Gilstrap’s third pulse-pounding thriller set in an America ravaged by glo...

No Mercy

By John Gilstrap

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No Mercy

By John Gilstrap

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Threat Warning

By John Gilstrap

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"Jonathan Grave, my favorite freelance peacemaker, problem-solver, and tough-guy hero, is back--and in particularly fine form." --Jeffery DeaverIn his most terrifying thriller yet, New York Times b...

Hostage Zero

By John Gilstrap

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Nathan s Run

By John Gilstrap

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At All Costs

By John Gilstrap

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Threat Warning

By John Gilstrap

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High Treason

By John Gilstrap

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550 p. ; 19 cm

End Game

By John Gilstrap

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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.