Cathy Stefanec Ogren Books

Sly P.I.: The Case of the Missing Shoes

By Priscilla Posey Circolo, Cathy Stefanec Ogren

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When ballet star Lotta Oink's toe shoes disappear on opening night, self-made fox and old friend, Sly, P.I., solves the case.

Sly, P.I.: The Case of the Missing Shoes

By Cathy Stefanec Ogren

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The adventures of Archie Featherspoon

By Cathy Stefanec Ogren

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A young boy with a knack for creating unusual inventions when he should be helping his mother on the farm finds a use for them when he is made sheriff of a town in Kansas and must get rid of a gang...

The Adventures Of Archie Featherspoon

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Pew

By Lesley Breen, Cathy Stefanec Ogren

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Little Red Chair

By Alexandra Thompson, Cathy Stefanec Ogren

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Pew

By Lesley Breen, Cathy Stefanec Ogren

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Pew

By Lesley Breen, Cathy Stefanec Ogren

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Pew

By Lesley Breen, Cathy Stefanec Ogren

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Pew

By Lesley Breen, Cathy Stefanec Ogren

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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.