Best Science Fiction Series

The Crowd-Ranked version of The Best Science Fiction Series. Vote on the books and submit any new books you feel should be on this list; votes (and other criteria taken into account) will affect the ranking of books on this list. All submissions will be eligible for public voting.

The Top 25 Science Fiction Books

The crowd version of the NEW Top 25 Best Science Fiction Books that we created in 2016. You can view to original crowd ranked list for the ALTERNATIVE TOP 25 SCIENCE FICTION BOOK list here.