Books about Mystery fiction (sorted alphabetically)
- Shuddering castle Wilbur Finley Fauley
- Silent Barrier Louis Tracy
- Silver Butterfly Mrs. Wilson Woodrow
- Sins of Séverac Bablon Sax Rohmer
- Slave of Silence Fred M. White
- Slipper Point Mystery Augusta Huiell Seaman
- Slipper Point Mystery Augusta Huiell Seaman
- Sons and Fathers Harry Stillwell Edwards
- Star Beast Damon Knight
- St. Cuthbert's tower Florence Warden
- Stillwater Tragedy Thomas Bailey Aldrich
- Stories of Mystery
- Stranded in Arcady Francis Lynde
- Strange Cabin on Catamount Island Lawrence J. Leslie
- Strange Case of Cavendish Randall Parrish
- Strange Disappearance Anna Katharine Green
- strange people Murray Leinster
- String of Pearls; Or, The Barber of Fleet Street. A Domestic Romance. Thomas Peckett Prest and James Malcolm Rymer
- Sundial Fred M. White
- Surprise house Abbie Farwell Brown
- Teddy and the Mystery Deer Howard Roger Garis
- Temptress William Le Queux
- Tenants of Malory, Volume 1 Joseph Sheridan Le Fanu
- Tenants of Malory, Volume 2 Joseph Sheridan Le Fanu
- Tenants of Malory, Volume 3 Joseph Sheridan Le Fanu