Margaret Truman Books

After a suicide bomber kills his youngest daughter at an outdoor cafe in Washington, D.C., private investigator Robert Brixton seeks revenge and answers. "Private investigator Robert Brixton has a...

Margaret Truman s Internship in murder

By Donald Bain

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"Laura is a young intern in Washington, D.C., working for handsome and likable Congressman Hal Gannon. Laura falls for the charming Gannon, but when she catches a stewardess at Gannon's apartment,...

Monument to Murder

By Margaret Truman

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Margaret Truman s experiment in murder

By Donald Bain

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When a Washington psychiatrist is found dead in his office, Mackenzie Smith is called in to defend one of his patients who has become a suspect. Then information emerges that links the slain shrink...

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.