Mark Harris Books

Find Your Wings

By Karen Moore, Mark Harris

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Scenes From A Revolution: The Birth of the New Hollywood

By Mark Harris

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The epic human drama behind the making of the five movies nominated for Best Picture in 1967-Guess Who's Coming to Dinner, The Graduate, In the Heat of the Night, Doctor Doolittle, and Bonnie and C...

Mike Nichols

By Mark Harris

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One of The Hollywood Reporter’s 100 Greatest Film Books of All Time • A National Book Critics Circle finalist • One of People's top 10 books of 2021 • An instant New York...

Five Came Back

By Mark Harris

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One of The Hollywood Reporter’s 100 Greatest Film Books of All Time“One of the great works of film history of the decade.” —SlateNow a Netflix original documentary seri...

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.