Kathy Jo Wargin Books

The Legend of the Loon

By Kathy Jo Wargin

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Little Minnesota

By Kathy Jo Wargin

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North Star numbers

By Kathy Jo Wargin

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"Using simple number concepts, North Star Numbers: A Minnesota Number Book takes readers back in time to experience nineteenth century army life at Fort Snelling, miles of canoe routes, and find ou...

Little Wisconsin

By Kathy Jo Wargin

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Win One for the Gipper

By Kathy Jo Wargin

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The story of George Gipp, who was encouraged to play football by the University of Notre Dame's assistant coach Knute Rockne.

The Legend of Minnesota

By Kathy Jo Wargin

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Look and See With Me

By Ed Wargin, Kathy Jo Wargin

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"This picture puzzle book challenges you to notice the difference from one picture to the next. Each photograph represents Michigan in a unique way. Subjects include Mackinac Island; flora; fishing...

Otter out of water

By Kathy Jo Wargin

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"A playful otter follows two children home and eats popcorn for lunch, swings on the curtains, and eventually encounters the ranger who reminds everyone this otter belongs in the water"--

The Voyageur s Paddle

By Kathy Jo Wargin

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Once upon a Christmas Eve

By Kathy Jo Wargin

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On Christmas Eve, Hannah leaves the warm farmhouse and heads into the snowy forest, hoping to hear the animals speak on this special night.

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.