Caroline Arnold Books

Why do we have rules?

By Caroline Arnold

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A basic discussion of the need for rules in society and of how our government is formed, chosen, and used.

The Summer Olympics

By Caroline Arnold

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Briefly discusses the origin of the Olympic games, who organizes the games today, and the eight events that make up the summer games.

The Winter Olympics

By Caroline Arnold

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Describes the eight events of the winter olympics and provides background material on the winter games.

Charts and graphs

By Caroline Arnold

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Explains how charts and graphs are used, with directions for drawing a giant pie graph, a block bar graph, a time line, a family tree, a calendar, and other projects.

Maps and globes

By Caroline Arnold

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Explains the uses of maps and globes, with instructions for making a balloon globe, a model room, a giant compass rose, a contour map, a treasure map, and other projects.

Measurements

By Caroline Arnold

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Explains how things are measured, with directions for making counting sticks, a growth chart, a sand-clock timer, water-glass chimes, and other projects.

Bodies of water

By Caroline Arnold

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An introduction to the fundamentals of geography with emphasis on the characteristics of the different types of bodies of water found on this earth. Includes instruction for related projects and ac...

Land masses

By Caroline Arnold

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An introduction to the fundamentals of geography with emphasis on the characteristics of the different kinds of land masses found on this earth. Includes instructions for related projects and activ...

Natural Resources

By Caroline Arnold, Penny Arnold

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A geography activity book featuring such projects as a natural resources scrapbook, jar butter churn, toothpick log cabin, rock collection, compost heap, solar water heater, and wind machine.

Everybody has a birthday

By Caroline Arnold

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Explains the significant events, traditions, beliefs, and celebrations associated with birthdays.

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.