Gerald Astor Books

The Baseball Hall of Fame 50th Anniversary Book

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The Baseball Hall of Fame 50th Anniversary Book

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"For nearly five months, starting in mid-September 1944, American GIs battled for the Huertgen Forest, a fifty-square mile tract of extremely inhospitable terrain. Unfortunately for the American so...

Hostage

By David Jacobson, David Jacobsen, With Gerald Astor

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June 6, 1944

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In ships and planes, they crossed the English Channel.On the other side Hitler’s army waited.And the longest day was about to begin....In the spring of 1944, 120,000 Allied soldiers crossed the Eng...

Battling Buzzards

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The Few and the BraveConvinced by 1943 that the assault upon Nazi-held Europe would yield swiftly to elite troops, the U.S. Army created parachute regimental combat teams. Drawing on daring volunte...

The Mighty Eighth

By Gerald Astor

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In the skies of World War II Europe, the Eighth Air Force was a defining factor in turning the tide against the Nazis. In these gripping oral histories, the sacrifice, savagery, and supremacy of th...

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.