John Zug Books

The Kalona Heritage
Amana Colonies
Amana Colonies

By John Zug, Joan Liffring Zug

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Czechoslovak Culture
Czechoslovak Culture

By John Zug, Pat Martin

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Presents a collection of Czech recipes and discusses Czech history, arts, and culture.

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The Washingtonians and Alcoholics Anonymous
Die Gluft
Die Gluft

By John Zug, Thomas Gerhart, Peter Zug

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Dutch Treats
Dutch Treats

By John Zug

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German Proverbs

Related Articles from our Blog

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.

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