Books:
The Wish-Bone (1927); Twill Soon
Be Dark (1929); The Eternal Journey (1930); Put Out the Light (aka Sinister
Light) (1931); Fear Stalks the Village (1932); The Spiral Staircase (aka Some
Must Watch) (1933); The First Time He Died (1935); Wax (1935); The Wheel Spins
(aka The Lady Vanishes) (1936); The Third Eye (1937); The Elephant Never
Forgets (1938); Step in the Dark (1939); While She Sleeps! (1940); She Faded
into Air (1941); Midnight House (aka The Unseen / Her Heart in Her Throat
(1942); The Man Who Loved Lions (aka The Man Who Was Not There (1943); They See
in Darkness (1944); Lethal Ladies (2004); The Lady Vanishes / The Spiral
Staircase (2015).
Movies and television:
The Lady Vanishes (2013); The
Spiral Staircase (2000); Alfred Hitchcock Presents / An Unlocked Window (1985);
The Lady Vanishes (1979); The Spiral Staircase (1975); Detective (1969); The
Alfred Hitchcock Hour (1965); The Spiral Staircase (1961); The Spiral Staircase
(1946); The Unseen (1945); The Lady Vanishes (1938).