They do it with mirrors
Agatha Christie
Miss Marple (6)
Poirot Loses a Client
Hercule Poirot Mystery (16)
Cursor's Fury
Jim Butcher
The Codex Alera (3)
Crooked House
Inferno
Dan Brown
Robert Langdon (4)
Origin
Robert Langdon (5)
The Da Vinci Code
Robert Langdon (2)
Angels and Demons
Robert Langdon (1)
The Lost Symbol
Robert Langdon (3)