Larry Loftis Books

Into The Lion'S Mouth: The True Story Of Dusko Popov

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James Bond has nothing on British double agent Dusko Popov. As an operative for the Abwehr, SD, MI5, MI6, and FBI during World War II, Popov seduced countless women―including agents on both sides―...

Profit By Investing In Real Estate Tax Liens

By Larry B. Loftis, Larry Loftis

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An investment alternative that gives fixed returns of 10 to 25 percent. Profit by Investing in Real Estate Tax Liens introduces an investment alternative that is safe, secured by real est...

Investing In Duplexes, Triplexes, And Quads: The Fastest And Safest Way To Real Estate Wealth

By Larry B. Loftis, Larry Loftis

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Amass more than $900,000 in properties in one year, without using any of your own money, or that of your investors. Real estate investing can be an excellent way to build wealth. With its advantage...

Code Name Lise

By Larry Loftis

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The Princess Spy

By Larry Loftis

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Code Name Lise

By Larry Loftis

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La princesa espia. La verdadera historia de Aline Griffith Condesa de Romanones

By Larry Loftis, Joan Soler

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The Watchmaker'S Daughter: The True Story Of World War II Heroine Corrie Ten Boom

By Larry Loftis

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The Watchmaker'S Daughter

By Larry Loftis

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INTERNATIONAL BESTSELLERWinner of the Florida Book Awards Gold MedalNew York Times bestselling author and master of nonfiction spy thrillers Larry Loftis writes the first major biography of Corrie...

Watchmaker s Daughter

By Larry Loftis

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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.