Robert A. Guffey Books

The Iraq Effect The Middle East After the Iraq War

By Jeffrey Martini, Dalia Dassa Kaye, Frederic Wehrey, Jessica Watkins, Robert A. Guffey

Average: 0.00, 0 Ratings

Do joint fighter programs save money

By Mark A. Lorell

Average: 0.00, 0 Ratings

In the past 50 years, the U.S. Department of Defense has pursued numerous joint aircraft programs, the largest and most recent of which is the F-35 Joint Strike Fighter (JSF). Joint aircraft progra...

The Iraq effect

By Frederic M. Wehrey

Average: 0.00, 0 Ratings

Motion Imagery Processing and Exploitation MIPE

By Amado Cordova, Carl Rhodes, Lance Menthe, Robert A. Guffey, Lindsay D. Millard

Average: 0.00, 0 Ratings

Project Air Force Modeling Capabilities for Support of Combat Operations in Denied Environments

By Rachel Costello, Brent Thomas, Joseph V. Vesely, Robert A. Guffey, Mahyar A. Amouzegar

Average: 0.00, 0 Ratings

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.