In the novel N or M?, Sans Souci is a hotel in Leahampton. It is run by Mrs Perenna.
Guests at Sans Souci[]
- Mrs Patricia Blenkensop - cover name for Tuppence
- Mr Meadowes - cover name for Tommy
- Alfred and Elizabeth Cayley
- Mrs O'Rourke
- Mrs Sprot and Betty Sprot
- Major Bletchley
- Carl von Deinim
- Sophia Minton
Staff at Sans Souci[]
- Mrs Perenna - proprietor
- Sheila Perenna - her daughter
- Beatrice - chambermaid
- Martha - chambermaid