James Curtis Books

"Before he ever made a movie or spoke a word onstage, W. C. Fields was one of the greatest pantomimists and comedians in the world. His career spanned the whole of the twentieth century - in burles...

James Whale: A New World of Gods and Monsters

By James Curtis, Curtis James

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By James Curtis, Mae Clarke

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When Mae Clarke arrived in Los Angeles in 1929, she was a headliner in vaudeville who preferred the New York stage to acting in movies. She went to work for Fox and planned to stay just long enough...

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.