Productivity Favorites

2016 • 871 Readers • 296 pages • 4.1

2012 • 44 Readers • 4.2

2011 • 153 Readers • 88 pages • 4.3

2010 • 119 Readers • 244 pages • 3.4

1993 • 3 Readers • 276 pages • 5

1988 • 465 Readers • 303 pages • 4.1

2012 • 348 Readers • 288 pages • 4

2016 • 576 Readers • 288 pages • 4.3