Adrian A Paradis Books

Trade, the world's lifeblood

By Adrian A. Paradis

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From trails to superhighways

By Adrian A. Paradis

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Traces the development of modern road systems in the United States and discusses their advantages and disadvantages.

Labor in action

By Adrian A. Paradis

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Social security in action

By Adrian A. Paradis

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Presents a history and description of the system which provides some insurance for the unemployed, disabled, sick, mothers, children, and aged of the United States. Includes case histories and anec...

The economics reference book

By Adrian A. Paradis

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The labor reference book

By Adrian A. Paradis

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Banking Careers 1986 Ed Hard VGM career books

By Adrian Paradis, Adrian A. Paradis

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Describes the functions of various kinds of banks and offers tips on career opportunities.

Opportunities in transportation

By Adrian A. Paradis

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The labor almanac

By Adrian A. Paradis

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Inflation in action

By Adrian A. Paradis

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Discusses the history of inflation since ancient times and the effect it has on the world's money systems and people's lives.

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.