85 books
by Keith Devlin
3.87 of 653
3.35 of 695
3.94 of 544
3.66 of 519
4.09 of 462
3.71 of 509
3.80 of 388
3.54 of 209
3.90 of 142
4.10 of 98
3.30 of 118
3.49 of 68
3.58 of 45
3.37 of 38
3.79 of 24
3.67 of 24
3.71 of 21
3.93 of 14
