Margaret Truman Books

He died beneath the Statue of Freedom, clutching a 9-mm pistol in his hand. But as dawn rose, the politician would die again--in a hail of rumor and character assassination.Now one man suspects the...

Murder at the Watergate

By Margaret Truman

Average: 0.00, 0 Ratings

The Watergate in Washington, D.C., is one of the world's most famous addresses-- although not everyone knows exactly what it is. This imposing, fabulous complex is made up of a hotel, resi...

Murder at the Library of Congress

By Margaret Truman

Average: 0.00, 0 Ratings

In the depths of the U.S. Library of Congress toil thousands of researchers, chasing down obsessions, breakthroughs, and new contributions to human wisdom. But when amateur D.C. sleuth Annabel Reed...

Murder in Foggy Bottom

By Margaret Truman

Average: 0.00, 0 Ratings

Murder in Havana

By Margaret Truman

Average: 0.00, 0 Ratings

Havana may be far from Washington, but DC power brokers are never far from Havana. Neither are danger, deception, and sudden death. That’s what draws Max Pauling there. As an ex-CIA, ex-State Depar...

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.