The Secret Pulse of Time : Making Sense of Life's Scarcest Commodity
Stefan Klein
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Format: Book (Electronic book text)
£8.99
£7.70
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Book (Electronic book text)
Eye and Telescope V3.0 : The Deep Sky Observing Planner
Thomas Pfleger
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Format: Book (DVD-ROM)
£47.99
£41.13
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Book (DVD-ROM)
The Case for Space : How the Revolution in Spaceflight Opens Up a Future of Limitless Possibility
Robert Zubrin
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Format: Book (Downloadable audio file)
£18.95
£14.72
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Book (Downloadable audio file)