Frederick Downs Jr. Books

The Killing Zone: My Life In The Vietnam War

By Frederick Downs, Downs Jr., Frederick, Frederick Downs Jr.

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“The best damned book from the point of view of the infantrymen who fought there.”—Army Times Among the best books ever written about men in combat, The Killing Zone tells the story of the platoon...

Aftermath: A Soldier'S Return From Vietnam

By Frederick Downs, Downs, Frederick, Jr., Frederick Downs Jr., Jr. Frederick Downs

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No Longer Enemies, Not Yet Friends: An American Soldier Returns To Vietnam

By Frederick Downs, Frederick Downs Jr.

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The Killing Zone: My Life In The Vietnam War

By Frederick Downs, Downs, Frederick, Jr., Downs Jr., Frederick, Frederick Downs 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.