Greg Gutfeld Books

The Joy of Hate

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From the irreverent star of Fox News’s Red Eye and The Five, hilarious observations on the manufactured outrage of an oversensitive, wussified culture.Greg Gutfeld hates artificial tolerance. At th...

The bible of unspeakable truths

By Greg Gutfeld

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The Bible of Unspeakable Truths

By Greg Gutfeld

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Bible of Unspeakable Truths

By Greg Gutfeld

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Not Cool

By Greg Gutfeld

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Behind every awful, dangerous decision lurks one evil beast: the Cool.     From politics to the personal, from fashion to food, from the campus to the locker room, the desire to be c...

Not Cool

By Greg Gutfeld

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Behind every awful, dangerous decision lurks one evil beast: the Cool.     From politics to the personal, from fashion to food, from the campus to the locker room, the desire to be c...

Gutfeld Monologues

By Greg Gutfeld

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Gutfeld Monologues

By Greg Gutfeld

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The Plus

By Greg Gutfeld

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Lessons from the Land of Pork Scratchings

By Greg Gutfeld

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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.