1Harry Potter - J.K. Rowling
2The Lord of the Rings - J.R.R. Tolkien
3A Song of Ice and Fire - George R. R. Martin
4Percy Jackson and the Olympians - Rick Riordan
5The Wheel of Time - Robert Jordan
6The Heroes of Olympus - Rick Riordan
7The Chronicles of Narnia - C.S. Lewis
8Wings of Fire - Tui T. Sutherland
9Warriors - Erin Hunter
10Mistborn Series - Brandon Sanderson
11The Hunger Games - Suzanne Collins
12The Stormlight Archive - Brandon Sanderson
13The Dark Tower - Stephen King
14Fablehaven - Brandon Mull
15Inheritance Cycle - Christopher Paolini
16The Kingkiller Chronicle - Patrick Rothfuss
17His Dark Materials - Philip Pullman
18Gentlemen Bastard Sequence - Scott Lynch
19The Witcher - Andrzej Sapkowski
20Dune - Frank Herbert, Brian Herbert, and Kevin J. Anderson
21The Riftwar Cycle - Raymond E. Feist
22The Mortal Instruments - Cassandra Clare
23The Inkheart Trilogy - Cornelia Funke
24Discworld - Terry Pratchett
25Seven Realms Saga - Cinda Williams Chima
26The First Law - Joe Abercrombie
27The Door Within - Wayne Thomas Batson
28The Demon Accords - John Conroe
29The Lost Years of Merlin - T.A. Barron
30Outlander - Diana Gabaldon
31The Malazan Book of the Fallen - Steven Erikson
32The Powder Mage Trilogy - Brian McClellan
33The Lightbringer Series - Brent Weeks
34Ranger's Apprentice - John Flanagan
35The Kane Chronicles - Rick Riordan