Kathy Jo Wargin Books

"Alfred Nobel was the man who founded what became known as The Nobel Prizes. Nobel also invented dynamite, becoming very wealthy from his invention. Saddened by its use for harmful destruction, Nob...

I spy with my little eye.

By Kathy Jo Wargin

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"Each page includes two photos related to Minnesota. Using poetic clues, readers try to spy the changes made from the original photo on the left to the altered photo on the right. Subjects include...

Moose on the loose

By Kathy Jo Wargin

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Rhyming text poses a series of questions about how the reader would deal with a moose that is on the loose, in the yard, in the house, or taking a bath.

Scare a bear

By Kathy Jo Wargin

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In rhyming text, the reader is asked how to scare a bear if one wanders into camp, or wants to go for a boat ride, or stays for supper.

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.