Irene M. Franck Books

Manufacturers and Miners

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Explores the role throughout history of those who mine the land or work to make things, including factory workers, metalsmiths, mechanics, and vehicle makers.

The German-American heritage

By Irene M. Franck

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Explores the history, culture, and contributions of German-Americans from colonial times to the present.

The European Overland Routes

By Irene M. Franck, David Brownstone

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A historical survey of the Amber Routes, the Appian Way, the Egratian Way, the Great North Road, the Heraclean Way, and the Orient Route.

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.