David Rollins Books

Hard Rain

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Twelve bones are missing. When a U.S. colonel is found murdered in his Istanbul home, the grisliest detail is the one that links his murder to another that soon follows. To Special Agent Vin Cooper...

A knife edge

By David Rollins

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Ghost Watch

By David Rollins

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Warlord

By David Rollins

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War Lord

By David Rollins

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Death Trust

By David Rollins

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Knife Edge

By David Rollins

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Hard Rain

By David Rollins

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Standoff

By David Rollins

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Standoff

By David Rollins

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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.