Dreizehn unter einem Hut

(1950)

Novel

So Darling, So Deadly

(1966)

Novel

Death Is Nimble, Death Is Quick

(1966)

Novel

Kiss Kiss, Kill Kill

(1966)

Novel

Kill Me Gently

(1967)

Novel

Kill, Panther, Kill!

(1968)

Novel

Island of Lost Girls

(1969)

Novel

Brush with Fate

(2003)

Old Karl Engelbrecht