Books about Fantasy fiction (sorted alphabetically)
- Romance of Golden Star ... George Chetwynd Griffith
- Roots of the Mountains William Morris
- Runaway Equator, and the Strange Adventures of a Little Boy in Pursuit of It Lilian Bell
- Salattu maa: Suurmetsästäjä Allan Quatermainin seikkailuja Keski-Afrikassa (Finnish) H. Rider Haggard
- Sea Lady H. G. Wells
- Secret Rose W. B. Yeats
- Several Works by Edgar Allan Poe Edgar Allan Poe
- shades of Toffee Henry Farrell
- shadow kingdom Robert E. Howard
- shadow over Innsmouth H. P. Lovecraft
- Shaggy Man of Oz Jack Snow
- She H. Rider Haggard
- She and Allan H. Rider Haggard
- silver key H. P. Lovecraft
- Silver Princess in Oz Ruth Plumly Thompson
- Silver Stallion: A Comedy of Redemption James Branch Cabell
- Sintram and His Companions Freiherr de Friedrich Heinrich Karl La Motte-Fouqué
- Skull-face Robert E. Howard
- Skulls in the stars Robert E. Howard
- Slayer of Souls Robert W. Chambers
- Snap-Dragons; Old Father Christmas Juliana Horatia Ewing
- Sodom and Gomorrah, Texas R. A. Lafferty
- Something about Eve: A comedy of fig-leaves James Branch Cabell
- Something Will Turn Up David Mason
- Son of Tarzan Edgar Rice Burroughs