The Spiral Staircase ( Some Must Watch ) ~Ethel Lina White Popular Library #120 (1946) (Original publication date 1933) Reviewed on my blog: My Reader's Block
The Spider Sapphire Mystery ~Carolyn Keene Nancy Drew #45 Grosset & Dunlap (1974) (Original publication date 1968) Reviewed on my blog: My Reader's Block
The Smiler with the Knife ~Nicholas Blake (Cecil Day-Lewis) Popular Library #41 (1945) (Original publication date 1939) Reviewed on my blog: My Reader's Block
The Sleeping Sphinx/Beagle Scented Murder/Death of a Doll ~John Dickson Carr/Frank Gruber/Hilda Lawrence Walter J. Black/Detective Book Club (1947) (Original publication dates 1947/1946/1947)
The Skeleton in the Clock ~Carter Dickson (John Dickson Carr) Dell Mapback #481 (1951) (Original publication date 1948) Reviewed on my blog: My Reader's Block
The Silver Leopard ~Helen Reilly Dell Mapback #287 (1949) (Original publication date 1946) Reviewed on my blog: My Reader's Block The Silver Leopard ~Helen Reilly Random House (1946) (Original publication date 1946)
The Silent Witness ( A Silent Witness ) ~R. Austin Freeman Pocket Books #184 (October 1942) (Original publication date 1914) Reviewed on my blog: My Reader's Block