Books about Missing persons -- Fiction (sorted alphabetically)
- Pit of Nympthons Stanley Mullen
- Quest: A Romance Justus Miles Forman
- Robert Coverdale's Struggle Jr. Horatio Alger
- Secret Adversary Agatha Christie
- Strange Disappearance Anna Katharine Green
- String of Pearls; Or, The Barber of Fleet Street. A Domestic Romance. Thomas Peckett Prest and James Malcolm Rymer
- Tarnished Silver Mary Frances Outram
- Thing Beyond Reason Elisabeth Sanxay Holding
- Wylder's Hand Joseph Sheridan Le Fanu