#2
1968 • 1,345 Readers • 223 pages • 4
#3
2011 • 1,600 Readers • 387 pages • 3.9
#4
#1 of 3 in Valdemar: Heralds of Valdemar
1987 • 129 Readers • 320 pages • 3.3
#5
2015 • 246 Readers • 480 pages • 3.7
#6
#1 of 7 in Time Traders/Ross Murdock
1958 • 45 Readers • 219 pages • 3.1
#7
#1 of 4 in Remembrance of Earth's Past
2006 • 2,439 Readers • 400 pages • 3.9
#8
181 • 2,029 Readers • 353 pages • 3.8
#9
#10
#1 of 4 in Lady Astronaut Universe
2018 • 445 Readers • 384 pages • 4.1
#11
#12
#13
#1 of 3 in Zoey Ashe
2015 • 158 Readers • 384 pages • 3.6
#14
#15
#1 of 8 in Harry Potter
1997 • 4,238 Readers • 309 pages • 4.3
#16
#17
#18
2022 • 725 Readers • 320 pages • 4.2
#19
1985 • 49 Readers • 382 pages • 2.6
#20