50 books
by Ray Kurzweil
3.93 of 12,333
3.97 of 7,715
3.90 of 4,610
3.91 of 3,246
3.86 of 1,407
3.87 of 915
4.14 of 344
3.88 of 145
3.33 of 160
3.61 of 69
3.67 of 3
2.75 of 4
4.50 of 2
3.50 of 2
5.00 of 1
4.00 of 1
