Katherine Orr Books

Summary, When Grandpa, a traditional fisherman, is forced from his livelihood because increasingly efficient technology has depleted his island's supply of fish, he creates an ecologically sound so...

My Grandpa and the Sea

By Katherine Orr

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Story of a dolphin

By Katherine Shelley Orr

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Laura's father succeeds in befriending a dolphin who seems to like people, but other people on the island are not so considerate and must be educated in how to respect the dolphin's rights and feel...

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.