Arthur Steffen Books

Corvette 1968 1982

By Arthur Steffen

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McDonnell Douglas DC-10 And KC-10 Extender

By Arthur Steffen, Arthur A. C. Steffen

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From 1970 to 1988 McDonnell Douglas built 446 DC-10s. This detailed work offers a complete listing of all 446 DC-10 and KC-10 models built, all 135 operators past and present, and includes details...

McDonnell Douglas MD 11

By Arthur Steffen

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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.