Self Improvement

1937 • 318 Readers • 270 pages • 3.4

2023 • 300 Readers • 425 pages • 4.3

2016 • 2,056 Readers • 168 pages • 4.2

1998 • 471 Readers • 270 pages • 3.6

-180 • 1,024 Readers • 254 pages • 4.2