Daniel H. Johnson Books

Light & Shadows: A History Of Motion Pictures

By Daniel H. Johnson, Thomas W. Bohn, Richard L. Stromgren, Thomas W. Bohn, Richard L. Stromgren, Daniel H. Johnson

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xviii, 479 pages : 24 cm Includes bibliographical references (pages 437-443) Includes indexes

Loyalty: The Many Legends Of Richard Gustavovich Reusch

By Johnson, Daniel, H., Daniel H. Johnson

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Loyalty: A Biography Of Richard Gustavovich Reusch

By Daniel H. Johnson

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Temporal Control Of Urate Oxidase Activity During Development Of The Third-Instar Larva Of Drosophila: The Role Of 20-Hydroxyecdysone

By Daniel H. Johnson, Mark Wing, Leos G. Kral, Dr. Thomas B. Friedman

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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.