Beth Karpfinger Books

The wonder of black bears

By Beth Karpfinger

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Text and photographs introduce a creature of the North American forest, the black bear.

Peru is my home

By Beth Karpfinger

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A look at the life of a twelve-year-old girl and her family living in Lima. Includes a section with information on Peru.

Zambia is my home

By Beth Karpfinger

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Presents the life of a thirteen-year-old girl and her family in Zambia, describing her home and school activities and discussing the history, geography, people, government, economy, and culture of...

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.