Lie Down, Killer x 6

1952 Lion paperback original

1956 Crest edition – cover art by James Meese

better image than previously posted

1957 Crest reprint

1958 Crest – cover art by Darcy (Ernest Chiriacka)

1961 Gold Medal reissue – cover art by Barye Phillips

better image than previously posted

undated Fawcett Gold Medal reissue – cover art by Robert McGinnis

Dark Interlude or The Terrible Night x 7 +

1947 UK hardcover from Collins and US hardcover from Dodd Mead

1949 Bantam reissue – cover art by C.C. Beall

sketch for the cover by Sam Peffer

1957 Pan reissue

1959 Avon edition – cover art by Darcy

1960 UK paperback reissue – cover art by Sam Peffer

1962 Fontana reissue – cover art by John L. Baker

1965 Fontana UK reissue – cover art by Renato Fratini.