Marc Norman Books

Shakespeare in Love.

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“Fascinating.”—Los Angeles TimesA brilliant, wildly entertaining history of Hollywood from the screenwriters’ perspectiveIn this truly fresh take on the movies, veteran Oscar-winning screenwriter M...

What Happens Next

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Screenwriters have always been viewed as Hollywood’s stepchildren. Silent-film comedy pioneer Mack Sennett forbade his screenwriters from writing anything down, for fear they’d get inflated ideas a...

Shakespeare in Love

By Marc Norman, Tom Stoppard, Lee Hall

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Shakespeare in Love

By Marc Norman, Tom Stoppard, Lee Hall

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Shakespeare in Love

By Marc Norman, Tom Stoppard, Lee Hall

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Fool s Errand

By Marc Norman

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What Happens Next

By Marc Norman

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Oklahoma crude

By Marc Norman

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Bike Riding In Los Angeles a Novel

By Marc Norman

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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.