Hard Scifi

1986 • 289 Readers • 528 pages • 3.8

1951 • 348 Readers • 450 pages • 4

1953 • 565 Readers • 254 pages • 4.2

1952 • 633 Readers • 244 pages • 4.1

1951 • 1,724 Readers • 255 pages • 4

1973 • 663 Readers • 112 pages • 4

1993 • 58 Readers • 616 pages • 3.3

1991 • 72 Readers • 593 pages • 3.1

1989 • 105 Readers • 508 pages • 3.3

2014 • 9 Readers • 3.6

2013 • 13 Readers • 435 pages • 3.1

2005 • 1,012 Readers • 320 pages • 4.2

2015 • 288 Readers • 480 pages • 3.7

2015 • 781 Readers • 880 pages • 3.9

2010 • 59 Readers • 307 pages • 3.3