Margaret Truman Books

Murder at Kennedy Center

By Margaret Truman

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Murder at the National Cathedral

By Margaret Truman

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Murder at the Pentagon

By Margaret Truman

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Murder at the Kennedy Center

By Margaret Truman

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During a gala benefit for the Democratic Party's hottest presidential hopeful at the glittering Kennedy Center, a young woman dies, a victim of quick and brutal violence. The murder weapon belongs...

Murder at the National Cathedral

By Margaret Truman

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Murder in the Pentagon

By Margaret Truman

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Murder in the white house

By Margaret Truman

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The body of the distinguished if raffish Secretary of State is found in the White House, and investigation reveals that he had been living beyond his apparent means.

Murder on Capitol Hill

By Margaret Truman

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Murder in the White House R

By Margaret Truman

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Murder on Capitol Hill

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.