#2
#3 of 3 in Mars Trilogy
1996 • 144 Readers • 612 pages • 3.9
#3
#3 of 6 in The Uplift Saga
1987 • 73 Readers • 703 pages • 3.9
#4
1999 • 1 Reader • 1,090 pages • 5
#5
#1 of 4 in Saga of the Pliocene Exile
1981 • 61 Readers • 415 pages • 3.9
#6
#7
75 Readers • 3.6
#8
1980 • 40 Readers • 415 pages • 3.2
#9
#1 of 4 in Revelation Space
2000 • 493 Readers • 596 pages • 3.8
#10
#4 of 9 in Hainish Cycle
1969 • 1,314 Readers • 267 pages • 4.1
#11
#1 of 3 in Mars Trilogy
1992 • 554 Readers • 671 pages • 3.8
#12
#2 of 3 in Zones of Thought
1999 • 192 Readers • 775 pages • 4.2
#13
#2 of 6 in The Uplift Saga
1983 • 109 Readers • 498 pages • 4.1
#14
#2 of 4 in Revelation Space
2002 • 153 Readers • 708 pages • 4
#15
#2 of 4 in Manifold
2000 • 33 Readers • 512 pages • 3.9
#16
#2 of 5 in Ringworld
1979 • 110 Readers • 307 pages • 3.3
#17
#7 of 7 in Foundation (Publication Order)
1993 • 234 Readers • 477 pages • 4
#18
#3 of 3 in Second Foundation Trilogy
1999 • 27 Readers • 392 pages • 4
#19
#3 of 4 in Rama
1991 • 81 Readers • 593 pages • 3.2
#20
#2 of 3 in Second Foundation Trilogy
1999 • 27 Readers • 408 pages • 3.6
#21
#1 of 7 in Foundation (Publication Order)
1951 • 1,885 Readers • 255 pages • 4
#22
2011 • 20 Readers • 260 pages • 4
#23
#24
#25
2005 • 18 Readers • 300 pages • 3.8
#26
1985 • 2 Readers • 200 pages • 1
#27
#1 of 2 in Commonwealth Saga
2004 • 448 Readers • 1,156 pages • 4
#28
#29
2008 • 322 Readers • 512 pages • 4.2
#30
#1 of 3 in Engines of Light
2000 • 34 Readers • 356 pages • 3.4
#31
#2 of 2 in Commonwealth Saga
2005 • 199 Readers • 827 pages • 4.2
#32
#2 of 4 in Destiny's Children
2004 • 13 Readers • 471 pages • 3.5
#33
#2 of 3 in Night's Dawn
1997 • 26 Readers • 1,137 pages • 3.9
#34
2004 • 62 Readers • 626 pages • 3.9
#35
7 Foundation (Publication Order)
1989 • 8 Readers • 449 pages • 3.3
#36
#1-2 of 5 in The Norby Chronicles
1986 • 1 Reader • 185 pages • 3
#37
1 Reader • 3
#38
2000 • 34 Readers • 384 pages • 3.3
#39
1995 • 47 Readers • 643 pages • 3.3
#40
#2 of 6 in Heechee Saga
1980 • 42 Readers • 324 pages • 3.5
#41
1969 • 38 Readers • 350 pages • 3.8
#42
1987 • 12 Readers • 396 pages • 3.7
#43
1975 • 1 Reader • 255 pages • 4
#44
#18 of 12 in Future History or "Heinlein Timeline"
1959 • 7 Readers • 271 pages • 2
#45
#46
1968 • 1,717 Readers • 223 pages • 3.9
#47
#3 of 7 in Foundation (Publication Order)
1953 • 619 Readers • 254 pages • 4.2
#48
#6 of 9 in Hainish Cycle
1974 • 943 Readers • 400 pages • 4.2
#49
#1 of 4 in Destiny's Children
2003 • 15 Readers • 527 pages • 4
#50
1986 • 6 Readers • 366 pages • 3.3
#51
#1 of 3 in The State
1976 • 31 Readers • 246 pages • 3.6
#52
#1 of 3 in Uplift Storm Trilogy
1995 • 31 Readers • 652 pages • 4.1
#53
1985 • 134 Readers • 232 pages • 4
#54
1986 • 63 Readers • 279 pages • 3.8
#55
1999 • 31 Readers • 674 pages • 3.5
#56
2012 • 59 Readers • 560 pages • 3.8
#57
2002 • 134 Readers • 3.5
#58
#1 of 3 in Poseidon's Children
2012 • 93 Readers • 512 pages • 3.9
#59
#60
#4 of 7 in Foundation (Publication Order)
1951 • 378 Readers • 450 pages • 4
#61
#62
2006 • 118 Readers • 364 pages • 3.5
#63
#1 of 2 in Triffids
197 • 365 Readers • 196 pages • 3.8
#64
#1 of 2 in Across Realtime
1984 • 56 Readers • 304 pages • 3.7
#65
#2 of 2 in Across Realtime
1986 • 43 Readers • 288 pages • 4.3
#66
#3 of 3 in Zones of Thought
2011 • 59 Readers • 446 pages • 3.3
#67
1985 • 608 Readers • 453 pages • 4.1
#69
28 Readers • 3.8
#70
#2 of 4 in Rama
1989 • 118 Readers • 508 pages • 3.3
#71
#72
#1 of 4 in Space Odyssey
1968 • 1,054 Readers • 236 pages • 4
#73
#2 of 7 in Foundation (Publication Order)
1952 • 694 Readers • 244 pages • 4
#74
#0.5 of 4 in Revelation Space
2001 • 146 Readers • 694 pages • 4
#75
#1 of 7 in Lorien Legacies
2010 • 344 Readers • 494 pages • 3.4
#76
1953 • 691 Readers • 212 pages • 4
#77
#3 of 4 in Revelation Space
2003 • 119 Readers • 756 pages • 3.9
#78
#1 of 4 in Rama
1973 • 729 Readers • 112 pages • 3.9
#79
#80
#4 of 4 in Rama
1993 • 58 Readers • 616 pages • 3.3
#81
#1 of 3 in Capitaine Nemo
1866 • 632 Readers • 394 pages • 3.6
#82
#1 of 3 in Isaac Asimov's Caliban
1993 • 13 Readers • 312 pages • 3.8
#83
#1 of 3 in Second Foundation Trilogy
1997 • 18 Readers • 425 pages • 3.7
#84
#3 of 6 in Heechee Saga
1984 • 23 Readers • 311 pages • 3.4
#85
1 Reader • 3
#86
#3 of 4 in Destiny's Children
2005 • 12 Readers • 488 pages • 3.5
#87
#88
1989 • 82 Readers • 3.7
#89
1894 • 1,150 Readers • 140 pages • 3.7
#90
#91
#4 of 6 in The Hitchhiker's Guide to the Galaxy
1984 • 656 Readers • 204 pages • 3.9
#92
#1 of 2 in Coyote Chronicles
2009 • 20 Readers • 401 pages • 3.9
#93
#2 of 3 in Coyote Trilogy
2004 • 12 Readers • 432 pages • 4.3
#94
#3 of 3 in Coyote Trilogy
2005 • 10 Readers • 386 pages • 4.3
#95
#2 of 2 in Darwin's Radio
2002 • 13 Readers • 482 pages • 3.7
#96
2002 • 26 Readers • 576 pages • 3.7
#97
2004 • 25 Readers • 452 pages • 3.8
#98
#1 of 3 in Night's Dawn
1997 • 22 Readers • 592 pages • 4.2
#99
#2 of 3 in Night's Dawn
1997 • 65 Readers • 1,273 pages • 4
#100
#1 of 3 in Night's Dawn
1996 • 201 Readers • 1,236 pages • 3.8
#101
#3 of 3 in Night's Dawn
1999 • 50 Readers • 1,174 pages • 3.6