Patrick Catel Books

What did the ancient Egyptians do for me

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Which glass building in Paris was inspired by the ancient Egyptian pyramids? How did the ancient Egyptians govern? What common pet did the ancient Egyptians domesticate? Read What Did the Ancient E...

What did the ancient Romans do for me

By Patrick Catel

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Through comparisons of life in ancient Rome and our world today we can see how this civilization has had an effect on our lives to this very day.

Money and trade

By Patrick Catel

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Raising Livestock

By Patrick Catel

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Extreme Survival

By Patrick Catel, Lori Hile, Michael Hurley, Nick Hunter

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Skiing

By Patrick Catel

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Introduces skiing, presents a history of the sport, and discusses equipment and training, competitions, and notable skiers.

Winter Sports

By Patrick Catel, Claire Throp, Greg Siemasz, Paul Mason

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Skiing

By Patrick Catel

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Introduces skiing, presents a history of the sport, and discusses equipment and training, competitions, and notable skiers.

Battles of the Revolutionary War

By Patrick Catel

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Why We Fought

By Tim Roche, Roberta Baxter, Gail Fay, Lori McManus

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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.