Mark C. Yerger Books

SS Sturmbannführer Ernst August Krag: Träger Des Ritterkreuzes Mit Eichenlaub, Kommandeur SS-Sturmgeschütz-Abteilung 2/SS-Panzer-Aufklärungsabteilung 2 "Das Reich"

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this Biography Of Ernst August Krag, Offers A Close Look At One Of The Elite Troops' Most Decorated Officers. Examining His Career From The Pre-war Armed Ss To 1945, The Detailed Text Covers His En...

Riding East: The SS Cavalry Brigade In Poland And Russia 1939-1942

By Mark C. Yerger

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riding East Details The History Of The Previously Unexamined Ss Cavalry Brigade. Beginning With A Background Of The General Ss Mounted Units, From Which Personnel Formed Part Of The Brigade's Cadre...

Images Of The Waffen-SS: A Photo Chronicle Of Germanys Elite Troops

By Mark C. Yerger

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Allgemeine-SS

By Mark C. Yerger

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The commands, units and leaders of the General SS are finally compiled into a single detailed reference book for both the historian and SS memorabilia collector. This complete volume begins with an...

Waffen-SS Commanders: The Army, Corps And Divisional Leaders Of A Legend: Augsberger To Kreutz

By Mark C. Yerger

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The units of the Waffen-SS were some of the most successful and influental combat formations produced by any country in this century. Their abilities and accomplishments, in both defense and offens...

Waffen-SS Commanders: The Army, Corps And Divisional Leaders Of A Legend: Krüger To Zimmermann

By Mark C. Yerger

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The units of the Waffen-SS were some of the most successful and influential combat formations produced by any country in this century. Their abilities and accomplishments, in both defense and offen...

SS-Obersturmbannfhrer Otto Weidinger: Knight'S Cross With Oakleaves And Swords SS-Panzer-Grenadier-Regiment 4 Der Fuhrer

By Mark C. Yerger

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Holder of the Knights Cross with Oakleaves and Swords, Otto Weidinger was the last commander of SS-Regiment Der Fhrer. Among the best field officers of the Waffen-SS, he graduated from SS officer s...

German Cross In Gold: Holders Of The Ss And Police

By Mark C, Mark C. Yerger, Yerger

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Otto Weidinger: Knights Cross With Oak Leaves And Swords, Ss-Panzer Grenadier-Regiment 4 Der Fuhrer

By Mark C. Yerger, Mark Yerger

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Text and photo biography of SS-Brigadeführer Otto Kumm. Knight's Cross with Oakleaves and Swords holder, also German Cross in Gold. Commands included Regiment "Der Führer," and Divisions "Prinz Eug...

Knights Of Steel

By Mark C, Mark C. Yerger, Yerger

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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.