The Great Dune Trilogy by Frank Herbert
Best Science Fiction Series
432 books — 1,115 voters

J.R.R. Tolkien 4-Book Boxed Set by J.R.R. TolkienThe Eye of the World by Robert JordanGardens of the Moon by Steven EriksonAssassin's Apprentice by Robin HobbMistborn by Brandon Sanderson
The Best Epic Fantasy (fiction)
4,247 books — 25,919 voters
Assassin's Apprentice by Robin Hobb
Five Star Fantasy Books
1,816 books — 2,138 voters

The Lord of the Rings by J.R.R. TolkienDon Quixote by Miguel de Cervantes SaavedraDune by Frank Herbert
Big Fat Books Worth the Effort
1,873 books — 6,997 voters

The Way of Kings by Brandon SandersonThe Eye of the World by Robert JordanThe Fellowship of the Ring by J.R.R. TolkienGardens of the Moon by Steven EriksonThe First Law Trilogy by Joe Abercrombie
Real Epic Fantasy
167 books — 411 voters
Dune by Frank HerbertEarth Abides by George R. StewartSnow Crash by Neal StephensonContact by Carl SaganI Am Legend by Richard Matheson
Best Science Fiction
3,692 books — 7,071 voters

The Eye of the World by Robert JordanThe Way of Kings by Brandon SandersonHarry Potter and the Sorcerer's Stone by J.K. RowlingThe Fellowship of the Ring by J.R.R. TolkienA Game of Thrones by George R.R. Martin
Best Series
3,378 books — 9,467 voters
The Lord of the Rings by J.R.R. TolkienHarry Potter and the Sorcerer's Stone by J.K. RowlingA Game of Thrones by George R.R. MartinStorm Front by Jim  Butcher
Best Fantasy Series, Trilogies, and Duologies
2,089 books — 11,782 voters