Ralph Blumenthal Books

Miracle at Sing Sing: How One Man Transformed the Lives of America's Most Dangerous Prisoners

By Ralph Blumenthal

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Stork Club: America's Most Famous Nightspot and the Lost World of Cafe Society

By Ralph Blumenthal

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"From the Roaring Twenties to the chaotic sixties, Sherman Billingsley's Stork Club was America's most enchanting nightclub. It was a glittering world where starlets stalked millionaires, where Jac...

Stork Club: America's Most Famous Nightspot and the Lost World of Cafe Society

By Ralph Blumenthal

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Miracle at Sing Sing: How One Man Transformed the Lives of America's Most Dangerous Prisoners

By Ralph Blumenthal

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"From the riotous days of Prohibition and the Jazz Age to the brutal awakening of Pearl Harbor, one man ruled the fate of America's most dangerous criminals. He was Lewis E. Lawes, warden of Sing S...

Last days of the Sicilians

By Ralph Blumenthal

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Once through the heart

By Ralph Blumenthal

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Last days of the Sicilians

By Ralph Blumenthal

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Last days of the Sicilians

By Ralph Blumenthal

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Stork Club

By Ralph Blumenthal

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THE GOTTI TAPES Sammy the Bull Gravano

By Ralph Blumenthal, John Gotti

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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.