Ruth Thomson Books

Photographs and artwork look at the first Indians and various tribes throughout America, concentrating on the traditional way of life of the Indians of the Great Plains. Includes related craft ideas.

Aztecs

By Ruth Thomson

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Examines the Aztec civilization and includes instructions for related craft projects.

Craft Topics

By Rachel Wright, Ting Morris, Ruth Thomson

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A pocketful of games with dice

By Ruth Thomson

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A pocketful of games with counters

By Ruth Thomson

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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.