Richard L. Knudson Books

Explains how to choose a car for restoration, and how to dismantle, reassemble, and show the automobile. Includes a section on restoration as a career.

Fabulous cars of the 1920s and 1930s

By Richard L. Knudson

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Presents a description and history of some of the luxury cars, such as the Pierce-Arrow Silver Arrow, the Cadillac V-16, and the Rolls-Royce Phantom III, now part of the famous Harrah Automobile Co...

Custom cars

By Richard L. Knudson, Kirk Lewis Ready

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Describes how a car can be altered to make the engine more efficient or the body unique, and includes examples of custom cars, experimental cars, and custom car shows.

Racing yesterday's cars

By Richard L. Knudson

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Discusses the sport of vintage car racing describing its history, the cars used, the different types of races, safety, and rules. Also gives information on how to find and restore a vintage car and...

Illustrated M.G. buyer's guide

By Richard L. Knudson

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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.