Hard Sci Fi

2008 • 324 Readers • 512 pages • 4.2

2005 • 181 Readers • 528 pages • 4.1

2004 • 77 Readers • 626 pages • 3.8

1970 • 585 Readers • 288 pages • 3.7

1954 • 36 Readers • 4

2000 • 507 Readers • 596 pages • 3.8

2002 • 153 Readers • 708 pages • 4

2003 • 119 Readers • 756 pages • 3.9

2004 • 455 Readers • 1,156 pages • 4

2012 • 93 Readers • 512 pages • 3.9

2002 • 890 Readers • 281 pages • 4.3

2014 • 1,612 Readers • 208 pages • 3.7

2006 • 3,131 Readers • 400 pages • 3.9

1985 • 624 Readers • 453 pages • 4.1

2007 • 128 Readers • 410 pages • 4.1