Self Improvement

1959 • 134 Readers • 325 pages • 3.5

1991 • 89 Readers • 538 pages • 3.9

2001 • 292 Readers • 222 pages • 3.7

2006 • 15 Readers • 200 pages • 3.3

1988 • 710 Readers • 432 pages • 3.8

2011 • 1,623 Readers • 499 pages • 4.1

2013 • 293 Readers • 295 pages • 4.3

2013 • 15 Readers • 304 pages • 3.5

2010 • 5 Readers • 46 pages • 4

2012 • 51 Readers • 68 pages • 3.4

1 Reader • 112 pages

1989 • 18 Readers • 291 pages • 4