History

	30-Second Astronomy: The 50 most mindblowing discoveries in astronomy, each explained in half a minute by Francois Fressin Year: 2013 Hits: 5351 Date insert: Monday, 31 December 2018
	A Nightwatchman’s Journey: The Road Not Taken by David H. Levy Year: 2019 Hits: 5005 Date insert: Monday, 31 December 2018
	Astronomy in Canada, Yesterday, Today and Tomorrow by Ruth J. Northcott Year: 1968 Hits: 4631 Date insert: Monday, 31 December 2018
	Black Holes and Time Warps: Einsteins Outrageous Legacy by Kip S Thorne Year: 1995 Hits: 4779 Date insert: Monday, 31 December 2018
	Chariots for Apollo by Charles R Pellegrino Year: 1999 Hits: 4658 Date insert: Monday, 31 December 2018