Green Timothy Books

Jesse Begay begins to investigate the strange circumstances surrounding a fire at his Navajo grandfather's hogan, even though the old man remains convinced that a "skinwalker" is haunting him.

Twilight boy

By Green Timothy

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Jesse Begay begins to investigate the strange circumstances surrounding a fire at his Navajo grandfather's hogan, even though the old man remains convinced that a "skinwalker" is haunting him.

Mystery of Coyote Canyon

By Green Timothy

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While visiting a Navajo reservation in Arizona, thirteen-year-old Chris and new friend Anna learn many historical and prehistorical facts as they solve a mystery surrounding strange occurrences in...

Prospect for gold

By Green Timothy

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The new world of gold

By Green Timothy

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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.