Richard Panchyk Books

Hidden History of Long Island

By Richard Panchyk

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Archaeology for kids

By Richard Panchyk

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Twenty five activities support an overview of the science of archaeology as well as some of the secrets it has revealed from ancient civilizations throughout the world.

Engineering the City

By Richard Panchyk, Matthys Levy

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World War II for kids

By Richard Panchyk

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Describes the causes and history of World War II, and includes interviews with participants and suggested activities.

Galileo for kids

By Richard Panchyk

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Our Supreme Court

By Richard Panchyk

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World War II for Kids

By Richard Panchyk

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Franklin Delano Roosevelt for Kids

By Richard Panchyk

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Our Supreme Court

By Richard Panchyk

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A History of Westbury Long Island

By Richard Panchyk

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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.