India Challenge

1966 • 12 Readers • 450 pages • 5

1993 • 12 Readers • 350 pages • 3.3

2007 • 30 Readers • 944 pages • 4.7

2011 • 2 Readers • 288 pages • 3

2013 • 2 Readers • 393 pages • 3

2005 • 5 Readers • 674 pages • 4.5