Margaret Truman Books

Murder at the Opera

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Margaret Truman, who knows where all the bodies are buried inside the Beltway, has written her most thrilling novel of suspense yet. Murder at the Opera features the popular crime-fighting couple M...

Capital Crimes

By Margaret Truman

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Murder Inside the Beltway

By Margaret Truman

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Rosalie Curzon, a Washington, D.C., call girl, is found bludgeoned to death in her Adams-Morgan apartment. At the murder scene a video camera is discovered nestled high on a bookshelf. Had the vict...

Murder at the Library of Congress

By Margaret Truman

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Murder at the Library of Congress

By Margaret Truman

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Murder in Foggy Bottom

By Margaret Truman

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Murder in Havana

By Margaret Truman

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Murder at the Watergate

By Margaret Truman

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Harry S. Truman

By Margaret Truman

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Murder in the CIA

By Margaret Truman

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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.