John F. Antal Books

Brothers in Arms: Hell's Highway

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“With sharp insights into history, combat, and human nature, this enthralling novel can stand beside even the best chronicles of that fabled ‘band of brothers.’ ”–Ralph Peters, author of Wars of Bl...

Proud Legions

By John F. Antal

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Hell s Highway

By John Antal

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Infantry combat

By John F. Antal

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Combat team

By John F. Antal

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City Fights

By John Antal

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Forests of Steel

By Military Members Who Were There

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Brothers in Arms: Hell's Highway

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7 Leadership Lessons of the American Revolution

By Col. John F Antal Ret .

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7 Leadership Lessons of the American Revolution

By John Antal

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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.