John Farndon Books

Nitrogen

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Discusses the origin, discovery, special characteristics, and use of nitrogen in such products as explosives and fertilizers.

Hydrogen

By John Farndon

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Explores the history of the chemical element hydrogen and explains its chemistry, how it reacts, its uses, and its importance in our lives.

Describes the origins, properties, chemical activity, and uses of the element calcium. An attractive, readable book that explains calcium's atomic structure, where & how it occurs in nature, its re...

Aluminum The Elements

By John Farndon

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Electricity

By John Farndon

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Early in the 17th century, Francis Bacon decided that the best way to learn about the world was to discover things for oneself. Since then, science has been a marriage of observation and experiment...

Water Science Experiments

By John Farndon

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Science Experiments Set

By John Farndon

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Light and Optics Science Experiments

By John Farndon

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Sound and Hearing Science Experiments

By John Farndon

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Color

By John Farndon

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A collection of experiments that explore the nature of color and how it is created and perceived.

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.