Heather Couper Books

The space atlas

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An overview of the planets, moons, and other bodies of the solar system, as well as distant stars, galaxies, and other celestial phenomena.

The Universe Explained: A Cosmic Q and A

By Heather Couper, Nigel Henbest

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Planetas

By Heather Couper

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"Basado en los descubrimientos mas recientes de la NASA, este libro te invita a un apasionante viaje por los mundos que desafiaran la imaginación"--From the back cover.

The planets

By Heather Couper

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The planets

By Heather Couper

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The Universe

By Heather Couper

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Text and pop-up illustrations trace the history of the universe.

Space, the final frontier

By Heather Couper

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Astronomy

By Heather Couper

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An introduction to the sun, earth, moon, solar system, stars, and our galaxy.

Comets and meteors

By Heather Couper

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Discusses the origins and behavior of cosmic debris, such as shooting stars, meteors, meteorites, and comets.

The planets

By Heather Couper

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Describes the sun, planets, moons, comets, asteroids, and other objects in the Solar System.

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.