Arnold Ringstad Books

Weird but true facts about inventions

By Arnold Ringstad

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Loads of quirky, cool, and astonishing facts about some of the world's greatest inventions.

Weird but true facts about sports

By Arnold Ringstad

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This book presents astonishing facts about the weird world of sports, including underwater hockey, pumpkin boat racing, and racing between people and horses.

Weird But True Facts about U. S. History

By Coss Lauren Ringstad Arnold

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Weird But True Facts about U. S. Presidents

By Coss Lauren Ringstad Arnold

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World War II weapons

By Arnold Ringstad

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This title examines the major weapons used during World War II, focusing on their development, strategy and tactics, and their effect on the course of the war. Compelling narrative text and well-ch...

Fishing

By Arnold Ringstad

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Explore fishing, an exciting outdoor activity, including fishing gear, where to fish, and how to stay safe.

True stories of animal heroes

By Arnold Ringstad

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"Discover some amazing-but-true stories of animal heroes, including a brave pigeon and a valiant pit bull."--

True stories of animal oddities

By Arnold Ringstad

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"Discover some amazing-but-true stories of animal oddities, including a two-headed turtle and orange sheep"--

Dinosaur Myths Busted

By Arnold Ringstad

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Rain forest habitats

By Arnold Ringstad

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Explores the animals and plants of the rain forest, looking at where rain forests are, their weather, and what threatens them.

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.