| The Turquoise Shop | (1941) | Description / Buy at Amazon |
| The Golden Box | (1942) | Description / Buy at Amazon |
| The Yellow Violet | (1942) | Description / Buy at Amazon |
| The Applegreen Cat | (1943) | Description / Buy at Amazon |
| The Pink Umbrella / The Pink Umbrella Murder | (1943) | Description / Buy at Amazon |
| The Amethyst Spectacles | (1944) | Description / Buy at Amazon |
| The Indigo Necklace / The Indigo Necklace Murders | (1944) | Description / Buy at Amazon |
| The Cinnamon Murder | (1946) | Description / Buy at Amazon |
| The Shocking Pink Hat | (1946) | Description / Buy at Amazon |
| Murder on the Purple Water | (1947) | Description / Buy at Amazon |
| Black Cypress | (1948) | Description / Buy at Amazon |
| The Flying Red Horse | (1949) | Description / Buy at Amazon |
| The Daffodil Blonde | (1950) | Description / Buy at Amazon |
| Murder in Blue Street / Death in the Blue Hour | (1951) | Description / Buy at Amazon |
| The Polkadot Murder | (1951) | Description / Buy at Amazon |
| 13 White Tulips | (1953) | Description / Buy at Amazon |
| Murder in Bright Red | (1953) | Description / Buy at Amazon |
| The Coral Princess Murders | (1954) | Description / Buy at Amazon |
| Death in Lilac Time | (1955) | Description / Buy at Amazon |
| Horror on the Ruby X | (1956) | Description / Buy at Amazon |
| The Ultra-Violet Widow | (1956) | Description / Buy at Amazon |
| The Buttercup Case | (1958) | Description / Buy at Amazon |
| The Man in Gray / The Grey Stranger | (1958) | Description / Buy at Amazon |
| Death-Wish Green | (1960) | Description / Buy at Amazon |
| The Amber Eyes | (1962) | Description / Buy at Amazon |
| Body Beneath a Mandarin Tree | (1965) | Description / Buy at Amazon |