Mark A. Vieira Books

Hollywood Portraits

By Mark A. Vieira

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Irving Thalberg Boy Wonder to Producer Prince

By Mark A. Vieira

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George Hurrell s Hollywood

By Mark A. Vieira

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Cecil B. DeMille The Art of the Hollywood Epic

By Mark A. Vieira, Cecilia De Mille Presley

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Into the dark

By Mark A. Vieira

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Contains primary source material. You know film noir when you see it: the shadowed setting; the cynical detective; the femme fatale; and the twist of fate. Into the Dark captures this alluring gen...

Hollywood Portraits

By Mark A. Vieira

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Hollywood horror

By Mark A. Vieira

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Greta Garbo

By Mark A. Vieira

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In the picture

By Alexa L. Foreman

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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.