Andrew F. Krepinevich Books

The last warrior

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Andrew Marshall is a Pentagon legend. For more than four decades he has served as Director of the Office of Net Assessment, the Pentagon's internal think tank, under twelve defense secretaries and...

The Army and Vietnam

By Andrew F. Krepinevich

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The Army and Vietnam

By Andrew F. Krepinevich, Andrew F. Krepinevich Jr.

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Origins of Victory

By Krepinevich Andrew F. Jr., Andrew F. Krepinevich

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A global pandemic finds millions swarming across the U.S. border. Major American cities are leveled by black-market nukes. China’s growing civil unrest ignites a global showdown. Pakistan’s collaps...

7 Deadly Scenarios

By Andrew Krepinevich

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7 deadly scenarios

By Andrew F. Krepinevich

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Army and Vietnam

By Krepinevich Andrew F. Jr.

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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.