George Waggner Books

The Wolf Man

By Jean Yarbrough, Ben Pivar, Stanley Bergerman, George Waggner, Stuart Walker

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The Wolf Man: When a man is attacked by a werewolf, he finds to his horror that he now becomes one himself under a full moon. WereWolf of London: While on a botanical expedition in Tibet Dr. Wilfre...

Universal Studios Classic Monster Collection

By Samuel Hoffenstein, Eric Taylor, Tod Browning, John L. Balderston, William Alland, George Waggner, Harry Essex, Jr. Carl Laemmle

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The John Wayne Collection, Vol. 2

By F. Hugh Herbert, Frances Hyland, Gertrude Purcell, George Waggner, Gladys Atwater

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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.