Duncan Steel Books

Rogue Asteroids and Doomsday Comets

By Arthur C. Clarke, Duncan Steel

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Marking Time: The Epic Quest to Invent the Perfect Calendar

By Duncan Steel

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"Steel takes you across the full span of recorded history, behind the seismic shifts within politics, religion, and science, and examines the ways in which people and events forged the calendar tha...

Eclipse

By Duncan Steel

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Eclipse

By Duncan Steel

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Eclipse

By Duncan Steel

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Target Earth

By Duncan Steel

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The Transit of Venus

By Anne Salmond, Peter Adds, Richard Hall, Hamish Campbell, Duncan Steel, Paul Callaghan

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Zielscheibe Erde. Wie Asteroiden und Kometen unseren Planeten bedrohen.

By Duncan Steel

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Encyclopedia of Modern Optics

By Bob D. Guenther, Duncan Steel

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Encyclopedia of Modern Optics

By Bob D. Guenther, Duncan Steel

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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.