Frederick W. Kacher Books

Command At Sea, 7th Edition

By James Stavridis, Radm Robert Girrier USN (Ret), Fred W. Kacher, Robert Girrier, Robert P. Girrier, James G. Stavridis, CAPT Frederick W Kacher USN, ADM James G Stavridis USN (Ret), Frederick W. Kacher

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This newest edition of Command at Sea includes the valuable guidance for prospective and commanding officers that has been the hallmark of this book since it first appeared as well as addressing t...

Surface Warfare Officer'S Department Head Guide

By Samantha A. ONeil, Joseph Gagliano, Fred W. Kacher, Joseph A. Gagliano, Frederick W. Kacher, Samantha Ann O'Neil

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The at-sea department head is among the most challenging surface navy assignments. Prospective and serving department heads will find this collection of best practices and helpful advice invaluable...

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.