Amateur Astronomy books for sale

UNREPORTED HIPPARCOS DOUBLE STARS (NEW CHALLENGES FOR AMATEUR
ASTRONOMERS) [Kindle Edition]

http://www.amazon.co.uk/UNREPORTED-H...tt_at_ep_dpt_7

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UNREPORTED COMMON PROPER MOTION BINARY STARS (NEW CHALLENGES FOR
AMATEUR ASTRONOMERS) [Kindle Edition]

http://www.amazon.co.uk/UNREPORTED-C...tt_at_ep_dpt_8

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DISCOVER YOUR OWN VARIABLE STAR (NEW CHALLENGES FOR AMATEUR
ASTRONOMERS) [Kindle Edition]

http://www.amazon.co.uk/DISCOVER-VAR...tt_at_ep_dpt_9

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Martin Nicholson, Shropshire, UK