Robert Ludlum Books

The Icarus Agenda

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Colorado Congressman Evan Kendrick is trying to live out his term quietly when a political mole reveals his deepest secret: Kendrick was the anonymous hero who freed the hostages held by Arab terro...

The Parsifal Mosaic

By Robert Ludlum

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Michael Havelock’s world died on a moonlit beach on the Costa Brava as he watched his partner and lover, double agent Jenna Karas, efficiently gunned down by his own agency. There’s nothing left fo...

The Scarlatti Inheritance

By Robert Ludlum

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Her weapons: money and power. Her target: the most dangerous man in the world—her own son. Elizabeth Wyckham Scarlatti has a plan, a desperate, last-minute gamble designed to save the world from he...

The Chancellor Manuscript

By Robert Ludlum

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“[The Chancellor Manuscript] exerts a riveting appeal, as it seems to justify our worst nightmares of what really goes on in the so-called intelligence community in Washington.”—The New York Times...

The Scorpio Illusion

By Robert Ludlum

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The Parsifal Mosaic

By Robert Ludlum

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Michael Havelock's world died on a moonlit beach on the Costa Brava. He watched as his partner and lover, Jenna Karats, double agent, was efficiently gunned down by his own agency. There was no...

The Bourne Supremacy

By Robert Ludlum

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The Icarus Agenda

By Robert Ludlum

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The Road to Omaha

By Robert Ludlum

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The Ludlum triad

By Robert Ludlum

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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.