James Lacey Books

Dictionary of Colorful Phrases

By James Lacey, Gibson Carothers

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Great Strategic Rivalries: From the Classical World to the Cold War

By James Lacey

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Gods of War

By Williamson Murray, James Lacey

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Hannibal vs. Scipio. Grant vs. Lee. Rommel vs. Patton. The greatest battles, commanders, and rivalries of all time come to life in this engrossing guide to the geniuses of military history. “A comp...

The Washington War

By James Lacey

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The Washington War

By James Lacey

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A Team of Rivals for World War II—the inside story of how FDR and the towering personalities around him waged war in the corridors of Washington, D.C., to secure ultimate victory on the battlefield...

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.