Here’s a random 20 fantasy books that I have enjoyed over the years (limiting myself to one per author)
The Ship of Ishtar – A E Merritt
The Wizard of Earthsea – Ursula Le Guin
The Well at the World’s End – William Morris
John Carter of Mars – Edgar Rice Burroughs
The Worm Ouroboros – E R Eddison
The Hollow Hills – Mary Stewart
Swords and Deviltry – Fritz Leiber
Mythago Wood – Robert Holdstock
Stormbringer – Michael Moorcock
Dreamsnake – Vonda McIntyre
Wolf in Shadow – David Gemmell
Conan the Conqueror – Robert E Howard
Elidor – Alan Garner
Moonheart – Charles De Lint
The Magic Goes Away – Larry Niven
The Land of Laughs – Jonathan Carroll
The Broken Sword – Poul Anderson
On Stranger Tides – Tim Powers
The Birthgrave – Tanith Lee
The Once and Future King – T H White
Ask me tomorrow, you might get a different twenty, and I’ll probably post a different list in a couple of months time but these are the first twenty out of my head today.