T. Luke George Books

Pocket Guide to the Outdoors: Based on My Side of the Mountain

By John George, Jean Craighead George, T. Luke George, Twig C. George

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Effects of habitat fragmentation on birds in western landscapes

By T. Luke George

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Crowbar the smartest bird in the world

By Jean Craighead George

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A child rescues a young crow that has fallen out of his nest during a storm, then tries to prove to Sis that Crowbar is a very smart bird.

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.