Roy Kinnard Books

The Lost World of Willis O Brien

By Roy Kinnard

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The Blue and the Gray on the silver screen

By Roy Kinnard

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"In The Blue and the Gray on the Silver Screen, film scholar Roy Kinnard presents a retrospective of nearly one hundred films which deal directly or peripherally with the Civil War period. Readers...

Flash Gordon serials 1936 1940

By Roy Kinnard

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"This is the first book-length guide to the serials. Arranged in a chapter-by-chapter format conforming to the structure of the three original films, the work provides full cast and crew informatio...

Films of Fay Wray

By Roy Kinnard, Tony Crnkovich

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Science Fiction Serials

By Roy Kinnard

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Films of Fay Wray

By Roy Kinnard, Tony Crnkovich

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Italian Sword and Sandal Films 1908 1990

By Roy Kinnard, Tony Crnkovich

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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.