Science

2007 • 12 Readers • 273 pages • 3.8

1997 • 4 Readers • 616 pages • 2.5

1991 • 12 Readers • 375 pages • 3.5

2014 • 72 Readers • 280 pages • 4.1

2001 • 21 Readers • 304 pages • 4.5

2009 • 87 Readers • 470 pages • 4.4