Margaret Truman Books

Murder at the National Cathedral

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“A vigorous tale of twists and turns . . . An authentic thriller.”—The Washington Post Book WorldMurder didn't stop Mac Smith or Annabel Reed from falling in love, or from getting...

Murder at the Pentagon

By Margaret Truman

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"Margaret Truman has become a first-rate mystery writer."LOS ANGELES TIMES BOOK REVIEWWhen a genius doctor is murdered and a desert madman gains the means to kill millions, Major Margit Falk, a hel...

Murder in the House

By Margaret Truman

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Congressman Latham has maintained an impeccable record in Washington, and so he seems the logical choice when nominated by his friend, President Scott, to become the next secretary of state. His co...

Murder in Havana

By Margaret Truman

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Max Pauling, of Murder in Foggy Bottom, is coaxed out of a restless retirement by another "ex-" CIA colleague. The case that tempts him is one involving a large American pharmaceutical firm that ma...

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.