Jan Mader Books

Virginia

By Jan Mader

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A simple introduction to Virginia, focusing on its geographical features and points of interest.

Michigan

By Jan Mader

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A simple introduction to Michigan, focusing on its geographical features and points of interest.

Living on a Prairie Rookie Read About Geography

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Appalachian Mountains by Jan Mader.

By Jan Mader

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An introduction to the Appalachian Mountains, which run through eighteen states.

Rocky Mountains

By Jan Mader

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An introduction to the Rocky Mountains, the largest mountain chain in North America.

Living on a Prairie Rookie Read About Geography

By Jan Mader

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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.

Jan Mader Books

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?