Kathryn Kenny Books

Participating in an archaeological dig on an Indian burial ground, Trixie suspects a greedy, treasure-hunting college student of burglarizing several mansions in the area.

The Mystery of the Galloping Ghost

By Kathryn Kenny

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Vacationing on a Minnesota horse ranch, Trixie and her friend, Honey investigate the reported sightings of a legendary ghost and join the search for a missing Arabian horse.

Trixie Belden and the Happy Valley Mystery

By Kathryn Kenny

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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.