Book Volume Sold (10000 bks) Pages Competing Books Ad Budget ($1000) Age of Author Prodn Cost ($1000s) No reviewers 15 176 5 25 49 38 2 140 296 10 83 57 86 CO 3 75 483 7 40 29 59 100 811 14 29 37 80 26 302 9 52 35 29.5 33 411 15 33 43 31 59 333 7 19 51 40 103 602 4 37 62 69 88 504 12 51 33 51 10 10 204 3 30 50 34 11 9 376 4 19 26 20 12 77 600 7 DO U UI N O A 41 40 80 13 59 400 3 26 44 60 14 383 597 8 61 59 87 15 16 126 27 .38 29