David J. Shayler Books

Linking the space shuttle and space stations

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How could the newly authorized space shuttle help in the U.S. quest to build a large research station in Earth orbit? As a means of transporting goods, the shuttle could help supply the parts to th...

The Last of NASA s Original Pilot Astronauts

By Colin Burgess, David J. Shayler

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Assembling and supplying the ISS

By David Shayler

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The creation and utilization of the International Space Station (ISS) is a milestone in space exploration. But without the Space Shuttle, it would have remained an impossible dream. Assembling and...

Gemini Flies

By David J. J. Shayler

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See Through Exploring Space

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Manned Spaceflight Log II 2006 2012

By David J. Shayler, Michael D. Shayler

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Hubble Space Telescope

By David M. Harland, David J. Shayler

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Outpost in Orbit

By Gary Kitmacher, Robert Godwin, David J. Shayler

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Spacelab Payloads

By David J. Shayler, Michael E. Haddad

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Gemini 5

By David J. Shayler

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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.