Richard Hack Books

Tales from the Crypt 9

By Stuart Sayger, Richard Hack, Jim Salicrup, Stefan Petrucha, Rick Parker, David Gerrold

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The Rise and Fall of Michael Eisner

By Richard Hack

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Next to Hughes

By Richard Hack, Robert Maheu

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Hughes

By Richard Hack

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This is the definitive biography of the first American billionaire.

Contrasts the law enforcement achievements of America's one-time most powerful lawman with the hidden secrets of Hoover's private life, which included a series of sexual indiscretions, criminal beh...

Rise Fall Of Michael Eisner

By Richard Hack

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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.